diff --git a/include/rtdbg.h b/include/rtdbg.h
index 6eb8ceb221..77382c656b 100644
--- a/include/rtdbg.h
+++ b/include/rtdbg.h
@@ -42,7 +42,7 @@
 #define DBG_COLOR
 #endif
 
-#if defined(RT_USING_ULOG) && defined(DBG_ENABLE)
+#if defined(RT_USING_ULOG)
 /* using ulog compatible with rtdbg  */
 #include <ulog.h>
 #else