diff --git a/kernel/ping.c b/kernel/ping.c
index 09a382bf..c9f3f18b 100644
--- a/kernel/ping.c
+++ b/kernel/ping.c
@@ -58,7 +58,7 @@
  * PING_DEBUG: Enable debugging for PING.
  */
 #ifndef PING_DEBUG
-#define PING_DEBUG     LWIP_DBG_ON
+#define PING_DEBUG     1
 #endif
 
 /** ping target - should be a "struct ip_addr" */
@@ -300,6 +300,7 @@ ping_raw_init(void)
   struct raw_pcb *pcb;
 
   if (!(pcb = raw_new(IP_PROTO_ICMP))) {
+    LWIP_DEBUGF( PING_DEBUG, ("ping: raw_new failed!"));
     return;
   }