diff --git a/channels/chan_misdn.c b/channels/chan_misdn.c
index 18dd44c8b5..b9e38c598b 100644
--- a/channels/chan_misdn.c
+++ b/channels/chan_misdn.c
@@ -8171,7 +8171,7 @@ static void do_immediate_setup(struct misdn_bchannel *bc, struct chan_list *ch,
 
 	strcpy(ast->exten, "s");
 
-	if (!ast_canmatch_extension(ast, ast->context, ast->exten, 1, bc->oad) || pbx_start_chan(ch) < 0) {
+	if (!ast_canmatch_extension(ast, ast->context, ast->exten, 1, bc->caller.number) || pbx_start_chan(ch) < 0) {
 		ast = NULL;
 		bc->out_cause = AST_CAUSE_UNALLOCATED;
 		hangup_chan(ch);