diff --git a/crates/assists/src/handlers/extract_module_to_file.rs b/crates/assists/src/handlers/extract_module_to_file.rs
index 3e67fdca2f1..50bf67ef77b 100644
--- a/crates/assists/src/handlers/extract_module_to_file.rs
+++ b/crates/assists/src/handlers/extract_module_to_file.rs
@@ -91,18 +91,18 @@ mod tests;
             extract_module_to_file,
             r#"
 //- /main.rs
-mod submodule;
-//- /submodule.rs
+mod submod;
+//- /submod.rs
 mod inner<|> {
     fn f() {}
 }
 fn g() {}
 "#,
             r#"
-//- /submodule.rs
+//- /submod.rs
 mod inner;
 fn g() {}
-//- /submodule/inner.rs
+//- /submod/inner.rs
 fn f() {}
 "#,
         );
diff --git a/crates/hir_def/src/nameres/mod_resolution.rs b/crates/hir_def/src/nameres/mod_resolution.rs
index b4ccd4488b4..af326243965 100644
--- a/crates/hir_def/src/nameres/mod_resolution.rs
+++ b/crates/hir_def/src/nameres/mod_resolution.rs
@@ -79,7 +79,7 @@ impl ModDir {
         for candidate in candidate_files.iter() {
             let path = AnchoredPath { anchor: file_id, path: candidate.as_str() };
             if let Some(file_id) = db.resolve_path(path) {
-                let is_mod_rs = candidate.ends_with("mod.rs");
+                let is_mod_rs = candidate.ends_with("/mod.rs");
 
                 let (dir_path, root_non_dir_owner) = if is_mod_rs || attr_path.is_some() {
                     (DirPath::empty(), false)