diff --git a/main/pbx.c b/main/pbx.c
index f3dcea8c7c..1adb4da8e7 100644
--- a/main/pbx.c
+++ b/main/pbx.c
@@ -5034,10 +5034,13 @@ int ast_pbx_outgoing_exten(const char *type, int format, void *data, int timeout
 			if (ast_exists_extension(chan, context, "failed", 1, NULL)) {
 				chan = ast_channel_alloc(0, AST_STATE_DOWN, 0, 0, "", "", "", 0, "OutgoingSpoolFailed");
 				if (chan) {
+					char failed_reason[4] = "";
 					if (!ast_strlen_zero(context))
 						ast_copy_string(chan->context, context, sizeof(chan->context));
 					set_ext_pri(chan, "failed", 1);
 					ast_set_variables(chan, vars);
+					snprintf(failed_reason, sizeof(failed_reason), "%d", *reason);
+					pbx_builtin_setvar_helper(chan, "REASON", failed_reason);
 					if (account)
 						ast_cdr_setaccount(chan, account);
 					ast_pbx_run(chan);