diff --git a/modules/nixos/redis-cluster.nix b/modules/nixos/redis-cluster.nix
index 3d50413..e37edec 100644
--- a/modules/nixos/redis-cluster.nix
+++ b/modules/nixos/redis-cluster.nix
@@ -314,7 +314,7 @@ in
 
     environment.etc."redis-cluster-rebuild.sh" = {
       text = ''
-        #!/bin/bash
+        #!/usr/bin/env bash
         set -e
 
         # Configuration from NixOS