diff --git a/src/ifcopenshell-python/test/test_wall_opening.py b/src/ifcopenshell-python/test/test_wall_opening.py
index f331297e73..7f135dcf90 100644
--- a/src/ifcopenshell-python/test/test_wall_opening.py
+++ b/src/ifcopenshell-python/test/test_wall_opening.py
@@ -232,7 +232,7 @@ class TestWallOpenings:
 
                 if i == 0 and j == 0:
                     for ln, st in cs:
-                        assert len([l for l in log if l.startswith(st)]) == ln
+                        assert len([l for l in log if l.startswith(st)]) == ln, f"\nOn file:\n - {fn}\nMessages:" +  "".join(f'\n - "{l}"' for l in log) + f"\nExpected:\n - \"{st}\""
 
                 # breakpoint()