diff --git a/tests/Css/NoUnknownClasses.elm b/tests/Css/NoUnknownClasses.elm
index 8cebc356..9b352880 100644
--- a/tests/Css/NoUnknownClasses.elm
+++ b/tests/Css/NoUnknownClasses.elm
@@ -184,6 +184,9 @@ cssFiles globs =
 cssFilesVisitor : List { fileKey : Rule.ExtraFileKey, path : String, content : String } -> ProjectContext -> ( List (Rule.Error scope), ProjectContext )
 cssFilesVisitor files context =
     let
+        _ =
+            Debug.log "loaded files" (List.map .path files)
+
         ( errors, knownClasses ) =
             List.foldl parseCssFile ( [], context.knownClasses ) files
     in