diff --git a/src/microhttpd/internal.h b/src/microhttpd/internal.h
index 26f5d43b..3dafe866 100644
--- a/src/microhttpd/internal.h
+++ b/src/microhttpd/internal.h
@@ -739,7 +739,7 @@ enum MHD_TLS_CONN_STATE
 /**
  * Should all state transitions be printed to stderr?
  */
-#define DEBUG_STATES MHD_NO
+#define DEBUG_STATES _MHD_MACRO_NO
 
 
 #ifdef HAVE_MESSAGES