diff --git a/daemon/call.c b/daemon/call.c
index 83e6058ed..352a23d99 100644
--- a/daemon/call.c
+++ b/daemon/call.c
@@ -3549,7 +3549,6 @@ void call_media_free(struct call_media **mdp) {
 	codec_handler_free(&md->t38_handler);
 	t38_gateway_put(&md->t38_gateway);
 	g_queue_clear_full(&md->sdp_attributes, free);
-	mutex_destroy(&md->dtmf_lock);
 	g_queue_clear_full(&md->dtmf_recv, dtmf_event_free);
 	g_queue_clear_full(&md->dtmf_send, dtmf_event_free);
 	mutex_destroy(&md->dtmf_lock);