diff --git a/migration-rdma.c b/migration-rdma.c
index eeb4302215..f60749b321 100644
--- a/migration-rdma.c
+++ b/migration-rdma.c
@@ -949,6 +949,7 @@ route:
         ERROR(errp, "result not equal to event_addr_resolved %s",
                 rdma_event_str(cm_event->event));
         perror("rdma_resolve_addr");
+        rdma_ack_cm_event(cm_event);
         ret = -EINVAL;
         goto err_resolve_get_addr;
     }