diff --git a/modules/programs/wofi.nix b/modules/programs/wofi.nix
index c2ea4e4d..5ff7a58c 100644
--- a/modules/programs/wofi.nix
+++ b/modules/programs/wofi.nix
@@ -37,7 +37,7 @@ in {
 
     style = mkOption {
       default = null;
-      type = types.nullOr types.str;
+      type = types.nullOr types.lines;
       description = ''
         CSS style for wofi to use as a stylesheet. See
         {manpage}`wofi(7)`.