diff --git a/modules/systemd/types.nix b/modules/systemd/types.nix
index 87c974e..9577a12 100644
--- a/modules/systemd/types.nix
+++ b/modules/systemd/types.nix
@@ -22,6 +22,7 @@ in
 {
   inherit (utils.systemdUtils.types) units targets;
   services = lib.types.attrsOf (lib.types.submodule [
+    { enableStrictShellChecks = true; }
     unitConfig
     stage2ServiceOptions
     stage2ServiceConfig