diff --git a/test/regress.h b/test/regress.h
index d9d2707e..0c0edf55 100644
--- a/test/regress.h
+++ b/test/regress.h
@@ -98,8 +98,8 @@ extern int libevent_tests_running_in_debug_mode;
 #define TT_NO_LOGS		(TT_FIRST_USER_FLAG<<5)
 #define TT_ENABLE_IOCP_FLAG	(TT_FIRST_USER_FLAG<<6)
 #define TT_ENABLE_IOCP		(TT_ENABLE_IOCP_FLAG|TT_NEED_THREADS)
-#define TT_ENABLE_DEBUG_MODE	(TT_ENABLE_IOCP_FLAG<<7)
-#define TT_ENABLE_PRIORITY_INHERITANCE	(TT_ENABLE_IOCP_FLAG<<8)
+#define TT_ENABLE_DEBUG_MODE	(TT_FIRST_USER_FLAG<<7)
+#define TT_ENABLE_PRIORITY_INHERITANCE	(TT_FIRST_USER_FLAG<<8)
 
 /* All the flags that a legacy test needs. */
 #define TT_ISOLATED TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_BASE