diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index 7e207fa419f8..229f2c3abf7b 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -73,6 +73,7 @@ in
   ferm = handleTest ./ferm.nix {};
   firefox = handleTest ./firefox.nix {};
   firewall = handleTest ./firewall.nix {};
+  flannel = handleTestOn ["x86_64-linux"] ./flannel.nix {};
   flatpak = handleTest ./flatpak.nix {};
   fsck = handleTest ./fsck.nix {};
   fwupd = handleTestOn ["x86_64-linux"] ./fwupd.nix {}; # libsmbios is unsupported on aarch64
diff --git a/nixos/tests/flannel.nix b/nixos/tests/flannel.nix
index fb66fe282090..0b261a684772 100644
--- a/nixos/tests/flannel.nix
+++ b/nixos/tests/flannel.nix
@@ -21,8 +21,9 @@ import ./make-test.nix ({ pkgs, ...} : rec {
       services = {
         etcd = {
           enable = true;
-          listenClientUrls = ["http://etcd:2379"];
-          listenPeerUrls = ["http://etcd:2380"];
+          listenClientUrls = ["http://0.0.0.0:2379"]; # requires ip-address for binding
+          listenPeerUrls = ["http://0.0.0.0:2380"]; # requires ip-address for binding
+          advertiseClientUrls = ["http://etcd:2379"];
           initialAdvertisePeerUrls = ["http://etcd:2379"];
           initialCluster = ["etcd=http://etcd:2379"];
         };