diff --git a/pkgs/racket-pkgs/racket-test/tests/racket/mz-tests.rktl b/pkgs/racket-pkgs/racket-test/tests/racket/mz-tests.rktl
index 26b52eaefb..528beb6601 100644
--- a/pkgs/racket-pkgs/racket-test/tests/racket/mz-tests.rktl
+++ b/pkgs/racket-pkgs/racket-test/tests/racket/mz-tests.rktl
@@ -38,6 +38,7 @@
   (load-relative "optimize.rktl"))
 (unless building-flat-tests?
   (load-relative "name.rktl"))
+(load-relative "srcloc.rktl")
 
 ;; Ok, so this isn't really all of them. Here are more:
 ; thrport.rktl