diff --git a/include/ucore/logging.h b/include/ucore/logging.h
index 501a45d..b7bc443 100644
--- a/include/ucore/logging.h
+++ b/include/ucore/logging.h
@@ -274,7 +274,7 @@ void uc_logf(int log_level, int module, int raw,
 
 #ifdef DEBUG
 #   define UC_DEBUGF(mod, fmt, ...)\
-        uc_logf(UC_LL_DEBUG, mod,0 , UC_SRC_LOCATION fmt, ## __VA_ARGS__)
+        uc_logf(UC_LL_DEBUG, mod,0 , UC_SRC_LOCATION, fmt, ## __VA_ARGS__)
 #   define UC_DEBUGFR(mod, fmt, ...)\
         uc_logf(UC_LL_DEBUG, mod,1 , UC_SRC_LOCATION, fmt, ## __VA_ARGS__)
 #else