diff --git a/daemons/cmirrord/logging.h b/daemons/cmirrord/logging.h
index 40dd462af..facc1b22c 100644
--- a/daemons/cmirrord/logging.h
+++ b/daemons/cmirrord/logging.h
@@ -63,7 +63,7 @@ extern int log_resend_requests;
 #ifdef DEBUG
 #define LOG_DBG(f, arg...) LOG_OUTPUT(LOG_DEBUG, f, ## arg)
 #else /* DEBUG */
-#define LOG_DBG(f, arg...)
+#define LOG_DBG(f, arg...) do {} while (0)
 #endif /* DEBUG */
 
 #define LOG_COND(__X, f, arg...) do {\