diff --git a/tests/Review/Rule/WithExtraFilesVisitorTest.elm b/tests/Review/Rule/WithExtraFilesVisitorTest.elm
index d7ee7b56..f0a90116 100644
--- a/tests/Review/Rule/WithExtraFilesVisitorTest.elm
+++ b/tests/Review/Rule/WithExtraFilesVisitorTest.elm
@@ -86,6 +86,14 @@ a = 1
                                 ]
                           }
                         ]
+        , test "Requesting invalid globs should result in a configuration error" <|
+            \() ->
+                createRule
+                    (Rule.withExtraFilesModuleVisitor [ "a.txt", "c.txt" ] (reportsFileNames "A"))
+                    |> Review.Test.expectConfigurationError
+                        { message = "err"
+                        , details = [ "details" ]
+                        }
         ]