diff --git a/src/switch_core.c b/src/switch_core.c
index d19bc75ed2..6296102d41 100644
--- a/src/switch_core.c
+++ b/src/switch_core.c
@@ -491,7 +491,7 @@ static void *SWITCH_THREAD_FUNC switch_core_service_thread(switch_thread_t *thre
 {
 	switch_core_session_t *session = obj;
 	switch_channel_t *channel;
-	switch_frame_t *read_frame;
+	switch_frame_t *read_frame = NULL;
 
 //  switch_assert(thread != NULL);
 //  switch_assert(session != NULL);