diff --git a/autogen/coding/local_commandline_code_executor.py b/autogen/coding/local_commandline_code_executor.py
index 620b359a4aee..2280f7f030d8 100644
--- a/autogen/coding/local_commandline_code_executor.py
+++ b/autogen/coding/local_commandline_code_executor.py
@@ -221,7 +221,12 @@ def _setup_functions(self) -> None:
             cmd = [py_executable, "-m", "pip", "install"] + required_packages
             try:
                 result = subprocess.run(
-                    cmd, cwd=self._work_dir, capture_output=True, text=True, timeout=float(self._timeout)
+                    cmd,
+                    cwd=self._work_dir,
+                    capture_output=True,
+                    text=True,
+                    timeout=float(self._timeout),
+                    encoding="utf-8",
                 )
             except subprocess.TimeoutExpired as e:
                 raise ValueError("Pip install timed out") from e
@@ -303,7 +308,13 @@ def _execute_code_dont_check_setup(self, code_blocks: List[CodeBlock]) -> Comman
 
             try:
                 result = subprocess.run(
-                    cmd, cwd=self._work_dir, capture_output=True, text=True, timeout=float(self._timeout), env=env
+                    cmd,
+                    cwd=self._work_dir,
+                    capture_output=True,
+                    text=True,
+                    timeout=float(self._timeout),
+                    env=env,
+                    encoding="utf-8",
                 )
             except subprocess.TimeoutExpired:
                 logs_all += "\n" + TIMEOUT_MSG