diff --git a/src/libosmo-mgcp-client/mgcp_client.c b/src/libosmo-mgcp-client/mgcp_client.c
index 74bdf4d26..e9b3ec0c1 100644
--- a/src/libosmo-mgcp-client/mgcp_client.c
+++ b/src/libosmo-mgcp-client/mgcp_client.c
@@ -959,6 +959,8 @@ int mgcp_client_tx(struct mgcp_client *mgcp, struct msgb *msg,
 	return 0;
 
 mgcp_tx_error:
+	/* Dequeue pending response, it's going to be free()d */
+	llist_del(&pending->entry);
 	/* Pass NULL to response cb to indicate an error */
 	mgcp_client_handle_response(mgcp, pending, NULL);
 	return -1;