diff --git a/nix/kubernetes/keys/package/k8s-encryption-key/package.nix b/nix/kubernetes/keys/package/k8s-encryption-key/package.nix
index 6ba483b8..9855e32f 100644
--- a/nix/kubernetes/keys/package/k8s-encryption-key/package.nix
+++ b/nix/kubernetes/keys/package/k8s-encryption-key/package.nix
@@ -16,7 +16,7 @@
 let
   to_yaml_file = ((import ../../../functions/to_yaml.nix) {inherit pkgs;}).to_yaml_file;
   kube_encryption_key = runCommand "kube_encryption_key" { } ''
-    head -c 32 /dev/urandom | base64 | tee $out
+    head -c 32 /dev/urandom | base64 -w 0 | tee $out
   '';
   kube_encryption_config = {
     kind = "EncryptionConfig";