diff --git a/nixos/modules/config/shells-environment.nix b/nixos/modules/config/shells-environment.nix
index d5ec420f3044..bc6583442edf 100644
--- a/nixos/modules/config/shells-environment.nix
+++ b/nixos/modules/config/shells-environment.nix
@@ -42,7 +42,7 @@ in
         strings.  The latter is concatenated, interspersed with colon
         characters.
       '';
-      type = with types; attrsOf (oneOf [ str path (listOf str) ]);
+      type = with types; attrsOf (oneOf [ (listOf str) str path ]);
       apply = mapAttrs (n: v: if isList v then concatStringsSep ":" v else "${v}");
     };