diff --git a/poetry/console/commands/env/info.py b/poetry/console/commands/env/info.py
index d81343c7efc..0502b36d37a 100644
--- a/poetry/console/commands/env/info.py
+++ b/poetry/console/commands/env/info.py
@@ -14,7 +14,9 @@ def handle(self):
         from poetry.utils.env import EnvManager
 
         poetry = self.poetry
-        env = EnvManager(poetry.config).get(cwd=poetry.file.parent)
+        env = EnvManager(poetry.config).get(
+            cwd=poetry.file.parent, name=poetry.package.name
+        )
 
         if self.option("path"):
             if not env.is_venv():
diff --git a/poetry/console/commands/env/list.py b/poetry/console/commands/env/list.py
index edd82debb0d..39186a88b2d 100644
--- a/poetry/console/commands/env/list.py
+++ b/poetry/console/commands/env/list.py
@@ -15,9 +15,11 @@ def handle(self):
 
         poetry = self.poetry
         manager = EnvManager(poetry.config)
-        current_env = manager.get(self.poetry.file.parent)
+        current_env = manager.get(
+            self.poetry.file.parent, name=self.poetry.package.name
+        )
 
-        for venv in manager.list(self.poetry.file.parent):
+        for venv in manager.list(self.poetry.file.parent, self.poetry.package.name):
             name = venv.path.name
             if self.option("full-path"):
                 name = str(venv.path)
diff --git a/poetry/console/commands/env/remove.py b/poetry/console/commands/env/remove.py
index f03588998e0..858020f36b7 100644
--- a/poetry/console/commands/env/remove.py
+++ b/poetry/console/commands/env/remove.py
@@ -17,6 +17,8 @@ def handle(self):
 
         poetry = self.poetry
         manager = EnvManager(poetry.config)
-        venv = manager.remove(self.argument("python"), poetry.file.parent)
+        venv = manager.remove(
+            self.argument("python"), poetry.file.parent, poetry.package.name
+        )
 
         self.line("Deleted virtualenv: <comment>{}</comment>".format(venv.path))
diff --git a/poetry/console/commands/env/use.py b/poetry/console/commands/env/use.py
index e7b84da17bc..48984bdd831 100644
--- a/poetry/console/commands/env/use.py
+++ b/poetry/console/commands/env/use.py
@@ -17,10 +17,12 @@ def handle(self):
         manager = EnvManager(poetry.config)
 
         if self.argument("python") == "system":
-            manager.deactivate(poetry.file.parent, self._io)
+            manager.deactivate(poetry.file.parent, self._io, poetry.package.name)
 
             return
 
-        env = manager.activate(self.argument("python"), poetry.file.parent, self._io)
+        env = manager.activate(
+            self.argument("python"), poetry.file.parent, self._io, poetry.package.name
+        )
 
         self.line("Using virtualenv: <comment>{}</>".format(env.path))
diff --git a/poetry/utils/env.py b/poetry/utils/env.py
index 89d80b1661c..199b0f07b87 100644
--- a/poetry/utils/env.py
+++ b/poetry/utils/env.py
@@ -142,7 +142,9 @@ def __init__(self, config=None):  # type: (Config) -> None
 
         self._config = config
 
-    def activate(self, python, cwd, io):  # type: (str, Optional[Path], IO) -> Env
+    def activate(
+        self, python, cwd, io, name=None
+    ):  # type: (str, Optional[Path], IO, Optional[str]) -> Env
         venv_path = self._config.get("virtualenvs.path")
         if venv_path is None:
             venv_path = Path(CACHE_DIR) / "virtualenvs"
@@ -179,10 +181,12 @@ def activate(self, python, cwd, io):  # type: (str, Optional[Path], IO) -> Env
         python_version = Version.parse(python_version.strip())
         minor = "{}.{}".format(python_version.major, python_version.minor)
         patch = python_version.text
+        if not name:
+            name = cwd.name
 
         create = False
         envs = tomlkit.document()
-        base_env_name = self.generate_env_name(cwd.name, str(cwd))
+        base_env_name = self.generate_env_name(name, str(cwd))
         if envs_file.exists():
             envs = envs_file.read()
             current_env = envs.get(base_env_name)
@@ -194,8 +198,8 @@ def activate(self, python, cwd, io):  # type: (str, Optional[Path], IO) -> Env
                     # We need to recreate
                     create = True
 
-        name = "{}-py{}".format(base_env_name, minor)
-        venv = venv_path / name
+        full_name = "{}-py{}".format(base_env_name, minor)
+        venv = venv_path / full_name
 
         # Create if needed
         if not venv.exists() or venv.exists() and create:
@@ -211,22 +215,25 @@ def activate(self, python, cwd, io):  # type: (str, Optional[Path], IO) -> Env
                 if patch != current_patch:
                     create = True
 
-            self.create_venv(cwd, io, executable=python, force=create)
+            self.create_venv(cwd, io, name=name, executable=python, force=create)
 
         # Activate
         envs[base_env_name] = {"minor": minor, "patch": patch}
         envs_file.write(envs)
 
-        return self.get(cwd, reload=True)
+        return self.get(cwd, reload=True, name=name)
 
-    def deactivate(self, cwd, io):  # type: (Optional[Path], IO) -> None
+    def deactivate(
+        self, cwd, io, name=None
+    ):  # type: (Optional[Path], IO, Optional[str]) -> None
         venv_path = self._config.get("virtualenvs.path")
         if venv_path is None:
             venv_path = Path(CACHE_DIR) / "virtualenvs"
         else:
             venv_path = Path(venv_path)
 
-        name = cwd.name
+        if not name:
+            name = cwd.name
         name = self.generate_env_name(name, str(cwd))
 
         envs_file = TomlFile(venv_path / self.ENVS_FILE)
@@ -243,7 +250,9 @@ def deactivate(self, cwd, io):  # type: (Optional[Path], IO) -> None
 
                 envs_file.write(envs)
 
-    def get(self, cwd, reload=False):  # type: (Path, bool) -> Env
+    def get(
+        self, cwd, reload=False, name=None
+    ):  # type: (Path, bool, Optional[str]) -> Env
         if self._env is not None and not reload:
             return self._env
 
@@ -257,7 +266,10 @@ def get(self, cwd, reload=False):  # type: (Path, bool) -> Env
 
         envs_file = TomlFile(venv_path / self.ENVS_FILE)
         env = None
-        base_env_name = self.generate_env_name(cwd.name, str(cwd))
+        if not name:
+            name = cwd.name
+
+        base_env_name = self.generate_env_name(name, str(cwd))
         if envs_file.exists():
             envs = envs_file.read()
             env = envs.get(base_env_name)
@@ -320,7 +332,9 @@ def list(self, cwd, name=None):  # type: (Path, Optional[str]) -> List[VirtualEn
             for p in sorted(venv_path.glob("{}-py*".format(venv_name)))
         ]
 
-    def remove(self, python, cwd):  # type: (str, Optional[Path]) -> Env
+    def remove(
+        self, python, cwd, name=None
+    ):  # type: (str, Optional[Path], Optional[str]) -> Env
         venv_path = self._config.get("virtualenvs.path")
         if venv_path is None:
             venv_path = Path(CACHE_DIR) / "virtualenvs"
@@ -328,10 +342,12 @@ def remove(self, python, cwd):  # type: (str, Optional[Path]) -> Env
             venv_path = Path(venv_path)
 
         envs_file = TomlFile(venv_path / self.ENVS_FILE)
-        base_env_name = self.generate_env_name(cwd.name, str(cwd))
+        if not name:
+            name = cwd.name
 
+        base_env_name = self.generate_env_name(name, str(cwd))
         if python.startswith(base_env_name):
-            venvs = self.list(cwd)
+            venvs = self.list(cwd, name)
             for venv in venvs:
                 if venv.path.name == python:
                     # Exact virtualenv name
@@ -341,7 +357,7 @@ def remove(self, python, cwd):  # type: (str, Optional[Path]) -> Env
                         return venv
 
                     venv_minor = ".".join(str(v) for v in venv.version_info[:2])
-                    base_env_name = self.generate_env_name(cwd.name, str(cwd))
+                    base_env_name = self.generate_env_name(name, str(cwd))
                     envs = envs_file.read()
 
                     current_env = envs.get(base_env_name)
@@ -418,7 +434,7 @@ def create_venv(
         if self._env is not None and not force:
             return self._env
 
-        env = self.get(cwd, reload=True)
+        env = self.get(cwd, reload=True, name=name)
         if env.is_venv() and not force:
             # Already inside a virtualenv.
             return env
diff --git a/tests/console/commands/env/test_list.py b/tests/console/commands/env/test_list.py
index 3e175cca01a..1d79b8e57a7 100644
--- a/tests/console/commands/env/test_list.py
+++ b/tests/console/commands/env/test_list.py
@@ -11,7 +11,7 @@ def test_none_activated(app, tmp_dir):
     app.poetry.config.merge({"virtualenvs": {"path": str(tmp_dir)}})
 
     venv_name = EnvManager.generate_env_name(
-        "simple_project", str(app.poetry.file.parent)
+        "simple-project", str(app.poetry.file.parent)
     )
     (Path(tmp_dir) / "{}-py3.7".format(venv_name)).mkdir()
     (Path(tmp_dir) / "{}-py3.6".format(venv_name)).mkdir()
@@ -34,7 +34,7 @@ def test_activated(app, tmp_dir):
     app.poetry.config.merge({"virtualenvs": {"path": str(tmp_dir)}})
 
     venv_name = EnvManager.generate_env_name(
-        "simple_project", str(app.poetry.file.parent)
+        "simple-project", str(app.poetry.file.parent)
     )
     (Path(tmp_dir) / "{}-py3.7".format(venv_name)).mkdir()
     (Path(tmp_dir) / "{}-py3.6".format(venv_name)).mkdir()
diff --git a/tests/console/commands/env/test_remove.py b/tests/console/commands/env/test_remove.py
index 9b1e35c255c..bf3c3a6c4fb 100644
--- a/tests/console/commands/env/test_remove.py
+++ b/tests/console/commands/env/test_remove.py
@@ -11,7 +11,7 @@ def test_remove_by_python_version(app, tmp_dir, mocker):
     app.poetry.config.merge({"virtualenvs": {"path": str(tmp_dir)}})
 
     venv_name = EnvManager.generate_env_name(
-        "simple_project", str(app.poetry.file.parent)
+        "simple-project", str(app.poetry.file.parent)
     )
     (Path(tmp_dir) / "{}-py3.7".format(venv_name)).mkdir()
     (Path(tmp_dir) / "{}-py3.6".format(venv_name)).mkdir()
@@ -39,7 +39,7 @@ def test_remove_by_name(app, tmp_dir):
     app.poetry.config.merge({"virtualenvs": {"path": str(tmp_dir)}})
 
     venv_name = EnvManager.generate_env_name(
-        "simple_project", str(app.poetry.file.parent)
+        "simple-project", str(app.poetry.file.parent)
     )
     (Path(tmp_dir) / "{}-py3.7".format(venv_name)).mkdir()
     (Path(tmp_dir) / "{}-py3.6".format(venv_name)).mkdir()
diff --git a/tests/console/commands/env/test_use.py b/tests/console/commands/env/test_use.py
index 7e1c3adb972..097ecf41f0d 100644
--- a/tests/console/commands/env/test_use.py
+++ b/tests/console/commands/env/test_use.py
@@ -57,7 +57,7 @@ def test_activate_activates_non_existing_virtualenv_no_envs_file(app, tmp_dir, m
     tester.execute("3.7")
 
     venv_name = EnvManager.generate_env_name(
-        "simple_project", str(app.poetry.file.parent)
+        "simple-project", str(app.poetry.file.parent)
     )
 
     m.assert_called_with(
@@ -88,7 +88,7 @@ def test_get_prefers_explicitly_activated_virtualenvs_over_env_var(
     os.environ["VIRTUAL_ENV"] = "/environment/prefix"
 
     venv_name = EnvManager.generate_env_name(
-        "simple_project", str(app.poetry.file.parent)
+        "simple-project", str(app.poetry.file.parent)
     )
     current_python = sys.version_info[:3]
     python_minor = ".".join(str(v) for v in current_python[:2])
@@ -128,9 +128,8 @@ def test_get_prefers_explicitly_activated_non_existing_virtualenvs_over_env_var(
     app, tmp_dir, mocker
 ):
     os.environ["VIRTUAL_ENV"] = "/environment/prefix"
-
     venv_name = EnvManager.generate_env_name(
-        "simple_project", str(app.poetry.file.parent)
+        "simple-project", str(app.poetry.file.parent)
     )
     current_python = sys.version_info[:3]
     python_minor = ".".join(str(v) for v in current_python[:2])