diff --git a/action.yml b/action.yml
index d747c69..3c7e7e9 100644
--- a/action.yml
+++ b/action.yml
@@ -150,7 +150,7 @@ runs:
           else
             echo "Input directory '$SOURCE_PATH' is empty, nothing to copy."
           fi
-        else
+        elif [[ -f "$SOURCE_PATH" ]]; then
           echo "Copying file: $SOURCE_PATH → $DESTINATION_PATH"
           cp "$SOURCE_PATH" "$DESTINATION_PATH"
         fi