diff --git a/lib/helpers.nix b/lib/helpers.nix
index 9a85f4d7..6c40a77a 100644
--- a/lib/helpers.nix
+++ b/lib/helpers.nix
@@ -59,13 +59,6 @@ with lib; rec {
 
   emptyTable = {"__empty" = null;};
 
-  borderType = with lib.types;
-    oneOf [
-      str
-      (listOf str)
-      (listOf (listOf str))
-    ];
-
   # Creates an option with a nullable type that defaults to null.
   mkNullOrOption = type: desc:
     lib.mkOption {
@@ -178,7 +171,7 @@ with lib; rec {
     mkEnumFirstDefault = enum: mkEnum enum (head enum);
     mkBorder = default: name: desc:
       mkNullable
-      borderType
+      nixvimTypes.border
       default
       (let
         defaultDesc = ''
@@ -381,6 +374,13 @@ with lib; rec {
         check = isRawType;
       };
 
+      border = with types;
+        oneOf [
+          str
+          (listOf str)
+          (listOf (listOf str))
+        ];
+
       highlight = types.submodule {
         # Adds flexibility for other keys
         freeformType = types.attrs;
diff --git a/plugins/utils/molten.nix b/plugins/utils/molten.nix
index 98cb7b64..027a73ba 100644
--- a/plugins/utils/molten.nix
+++ b/plugins/utils/molten.nix
@@ -95,7 +95,7 @@ with import ../helpers.nix {inherit lib;};
 
           Default: `["" "━" "" ""]`
         '';
-        type = borderType;
+        type = nixvimTypes.border;
       };
 
       outputWinCoverGutter = mkDefaultOpt {