diff --git a/tests/timeit.nim b/tests/timeit.nim
index b448191..cf9417f 100644
--- a/tests/timeit.nim
+++ b/tests/timeit.nim
@@ -26,4 +26,4 @@ when isMainModule:
 
   echo outp
   writeFile(outf, outd & outp)
-  quit(ret)
\ No newline at end of file
+  quit(ret mod 255)