Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 36078)
+++ channels/chan_sip.c	(working copy)
@@ -13370,7 +13370,7 @@
 
 	/* Blind transfers and remote attended xfers */
 	transmit_response(p, "202 Accepted", req);
-	if (current.chan2->name) {
+	if (current.chan2 && current.chan2->name) {
 		ast_log(LOG_NOTICE, "chan2->name: %s\n", current.chan2->name);
 		pbx_builtin_setvar_helper(current.chan2, "BLINDTRANSFER", current.chan1->name);
 	}