diff --git a/modules/services/lib.nix b/modules/services/lib.nix
index 64de896..a6cc7e4 100644
--- a/modules/services/lib.nix
+++ b/modules/services/lib.nix
@@ -111,7 +111,7 @@ ${concatStringsSep "\n" (map (m: "                  - ${m}") middlewares)}
           serviceConfig = {
             Type = "exec";
             ExecStartPre = [
-              "${pkgs.coreutils}/bin/sleep $(shuf -i 1-${toString startDelay} -n 1)"
+              "${pkgs.bash}/bin/bash -c 'sleep $((RANDOM % ${toString startDelay}))'"
               "- sudo -u numbus-admin podman-compose ${envFileArg} -f /etc/podman/${name}/compose.yaml pull"
             ];
             ExecStart = "sudo -u numbus-admin podman-compose ${envFileArg} --in-pod ${toString pod} -f /etc/podman/${name}/compose.yaml up --remove-orphans";