1 files changed, 2 insertions, 2 deletions
diff --git a/pp.h b/pp.h
index 4474d1ad1c..1d9a9339cc 100644
--- a/pp.h
+++ b/pp.h
@@ -7,13 +7,13 @@
  *
  */
 
-#ifdef USE_THREADS
+#ifdef USE_5005THREADS
 #define ARGS thr
 #define dARGS struct perl_thread *thr;
 #else
 #define ARGS
 #define dARGS
-#endif /* USE_THREADS */
+#endif /* USE_5005THREADS */
 
 #define PP(s) OP * Perl_##s(pTHX)