diff --git a/mysys/my_file.cc b/mysys/my_file.cc
index 3b6e77b8cc4..1cd30b582cc 100644
--- a/mysys/my_file.cc
+++ b/mysys/my_file.cc
@@ -114,7 +114,7 @@ uint SetOsLimitMaxOpenFiles(uint max_file_limit) {
     return max_file_limit;
   }
   assert(readback.rlim_cur == request.rlim_cur &&
-         readback.rlim_max == readback.rlim_max);
+         readback.rlim_max == request.rlim_max);
 #endif /* NDEBUG */
   return request.rlim_cur;
 #else  /* not defined(_WIN32) */