diff --git a/libsofia-sip-ua/stun/stun.c b/libsofia-sip-ua/stun/stun.c
index 1b454f3a8f84266584fcdde7779c61771a2497f8..e8e2a80eeb4b6a7db4acb142c04bf58a68a457f6 100644
--- a/libsofia-sip-ua/stun/stun.c
+++ b/libsofia-sip-ua/stun/stun.c
@@ -73,8 +73,12 @@
 static char const __func__[] = "stun";
 #endif
 
+#ifndef SU_DEBUG
+#define SU_DEBUG 3
+#endif
+
 /** STUN log. */
-su_log_t stun_log[] = { SU_LOG_INIT("stun", "STUN_DEBUG", 3) }; 
+su_log_t stun_log[] = { SU_LOG_INIT("stun", "STUN_DEBUG", SU_DEBUG) }; 
 
 /**@var STUN_DEBUG
  *