diff --git a/tests/testament/tester.nim b/tests/testament/tester.nim
index 08dbab155e..83e59a6c12 100644
--- a/tests/testament/tester.nim
+++ b/tests/testament/tester.nim
@@ -390,7 +390,7 @@ proc makeTest(test, options: string, cat: Category, action = actionCompile,
 
 const
   # array of modules disabled from compilation test of stdlib.
-  disabledFiles = []
+  disabledFiles = ["-"]
 
 include categories