diff --git a/collects/redex/private/bitmap-test-util.ss b/collects/redex/private/bitmap-test-util.ss
index a830bf76b7..95f039e940 100644
--- a/collects/redex/private/bitmap-test-util.ss
+++ b/collects/redex/private/bitmap-test-util.ss
@@ -3,7 +3,7 @@
          slideshow
          "../pict.ss"
          "../reduction-semantics.ss"
-         "config.ss")
+         "../tests/config.ss")
 
 (provide test done)