diff --git a/src/twyn/main.py b/src/twyn/main.py
index 32adfed..52ac9e9 100644
--- a/src/twyn/main.py
+++ b/src/twyn/main.py
@@ -279,7 +279,7 @@ def _get_dependencies_list(
 def _get_selector_method(selector_method: str) -> SelectorMethod:
     """Return the selector_method from set of available ones."""
     if selector_method not in SELECTOR_METHOD_MAPPING:
-        InvalidSelectorMethodError("Invalid selector method")
+        raise InvalidSelectorMethodError("Invalid selector method")
 
     return SELECTOR_METHOD_MAPPING[selector_method]()