diff --git a/modules/xresources/hm.nix b/modules/xresources/hm.nix
index 47bce0bd9..7d640ed98 100644
--- a/modules/xresources/hm.nix
+++ b/modules/xresources/hm.nix
@@ -7,7 +7,7 @@
   config = lib.mkIf (config.stylix.enable && config.stylix.targets.xresources.enable) {
     xresources.properties = with config.lib.stylix.colors.withHashtag; with config.stylix.fonts; {
       "*.faceName" = monospace.name;
-      "*.faceSize" = sizes.terminal;
+      "*.faceSize" = toString sizes.terminal;
       "*.renderFont" = true;
       "*foreground" = base05;
       "*background" = base00;