diff --git a/fixtures/enhanced-resolve/test/fixtures/node_modules/m2/package.json b/fixtures/enhanced-resolve/test/fixtures/node_modules/m2/package.json
index 0967ef42..998f25ae 100644
--- a/fixtures/enhanced-resolve/test/fixtures/node_modules/m2/package.json
+++ b/fixtures/enhanced-resolve/test/fixtures/node_modules/m2/package.json
@@ -1 +1,4 @@
-{}
+{
+  "name": "m2",
+  "main": "./b.js"
+}
diff --git a/src/lib.rs b/src/lib.rs
index c68420f7..b3e38cfc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -485,7 +485,7 @@ impl<Fs: FileSystem> ResolverGeneric<Fs> {
         }
         // 2. If X begins with '/'
         //   a. set Y to be the file system root
-        let path = self.cache.value(Path::new(specifier));
+        let path = self.cache.value(Path::new(specifier.trim_end_matches('/')));
         if let Some(path) = self.load_as_file_or_directory(&path, specifier, tsconfig, ctx)? {
             return Ok(path);
         }
diff --git a/src/tests/resolve.rs b/src/tests/resolve.rs
index 80e5fb79..6754be89 100644
--- a/src/tests/resolve.rs
+++ b/src/tests/resolve.rs
@@ -9,10 +9,15 @@ fn resolve() {
     let resolver = Resolver::default();
 
     let main1_js_path = f.join("main1.js").to_string_lossy().to_string();
+    let m2 = f.join("node_modules").join("m2");
+    let m2_specifier = m2.to_string_lossy().to_string();
+    let m2_trailing_slash = m2_specifier.clone() + "/";
 
     #[rustfmt::skip]
     let pass = [
         ("absolute path", f.clone(), main1_js_path.as_str(), f.join("main1.js")),
+        ("absolute path to package", f.clone(), m2_specifier.as_str(), m2.join("b.js")),
+        ("absolute path to package with trailing slash", f.clone(), m2_trailing_slash.as_str(), m2.join("b.js")),
         ("file with .js", f.clone(), "./main1.js", f.join("main1.js")),
         ("file without extension", f.clone(), "./main1", f.join("main1.js")),
         ("another file with .js", f.clone(), "./a.js", f.join("a.js")),