diff --git a/nixos/modules/services/web-servers/pomerium.nix b/third_party/nixpkgs/nixos/modules/services/web-servers/pomerium.nix
--- a/nixos/modules/services/web-servers/pomerium.nix
+++ b/nixos/modules/services/web-servers/pomerium.nix
@@ -128,7 +128,7 @@ in
         Type = "oneshot";
         TimeoutSec = 60;
         ExecCondition = "/run/current-system/systemd/bin/systemctl -q is-active pomerium.service";
-        ExecStart = "/run/current-system/systemd/bin/systemctl restart pomerium.service";
+        ExecStart = "/run/current-system/systemd/bin/systemctl --no-block restart pomerium.service";
       };
     };
   });