diff --git a/src/sp_repo_review/checks/general.py b/src/sp_repo_review/checks/general.py
index 2fa8c7ce..94112994 100644
--- a/src/sp_repo_review/checks/general.py
+++ b/src/sp_repo_review/checks/general.py
@@ -84,7 +84,10 @@ def check(package: Traversable) -> bool:
         src = package.joinpath("src")
         if src.is_dir():
             for pkg in src.iterdir():
-                if len([p for p in pkg.iterdir() if "test" in p.name]) > 0:
+                if (
+                    pkg.is_dir()
+                    and len([p for p in pkg.iterdir() if "test" in p.name]) > 0
+                ):
                     return True
         return False