diff --git a/Assert_Results.py b/Assert_Results.py
index 3536850995c14a5f498e2b0790cdb55362d68d6a..18d1f0d127b98c475e3d9d33330fb9af7cc7c8e8 100644
--- a/Assert_Results.py
+++ b/Assert_Results.py
@@ -8,6 +8,8 @@ print("Test Start")
 # We need to extract all the result files from git now
 for files in os.listdir(
         os.path.abspath("reference-results/Neplan/BasicGrids")):
-    if files is not "Slack_Rxline_PQLoad":
+    if os.path.splitext(files)[0] == "Slack_Rxline_PQLoad":
+        pass
+    else:
         assert_modelia_neplan_results(os.path.splitext(files)[0]) #  Assert the result, model result path read from cmd line
 print("Test End")