diff --git a/fc_hooks/__init__.py b/fc_hooks/__init__.py
index adc5bec..796d86e 100644
--- a/fc_hooks/__init__.py
+++ b/fc_hooks/__init__.py
@@ -37,7 +37,7 @@ def check_path(path: Path) -> bool:
             return False
     else:
         # Check that file name use snake_case.
-        if re.search(r"[a-z]+(?:_[a-z0-9]+)*$", path.stem) is None:
+        if re.search(r"[a-z]+(?:_[a-z0-9]+)*(?:\.[a-z0-9]+)?$", path.stem) is None:
             return False
 
     return True