diff --git a/tests/stdlib/tos.nim b/tests/stdlib/tos.nim
index 6ccc29bf65..a376c66d9a 100644
--- a/tests/stdlib/tos.nim
+++ b/tests/stdlib/tos.nim
@@ -145,7 +145,7 @@ else:
   echo getLastModificationTime("a") == tm
 removeFile("a")
 
-when defined(Linux) or defined(osx):
+when defined(Linux) or defined(macosx):
 
   block normalizedPath:
     block relative: