diff --git a/libnbd.spec b/libnbd.spec
index 4a2a016..2cac422 100644
--- a/libnbd.spec
+++ b/libnbd.spec
@@ -236,7 +236,7 @@ skip_test interop/interop-qemu-storage-daemon.sh
 skip_test fuse/test-*.sh
 
 # IPv6 loopback connections fail in Koji.
-make -C tests connect-tcp6
+make -C tests connect-tcp6 ||:
 skip_test tests/connect-tcp6
 
 make %{?_smp_mflags} check || {