diff --git a/modules/pre-commit.nix b/modules/pre-commit.nix
index 5c1a8ffb..6be531ea 100644
--- a/modules/pre-commit.nix
+++ b/modules/pre-commit.nix
@@ -368,7 +368,7 @@ in
 
       rawConfig =
         mkOption {
-          type = types.attrs;
+          type = types.attrsOf types.unspecified;
           description =
             ''
               The raw configuration before writing to file.