diff --git a/app/assets/javascripts/discourse/app/form-kit/components/fk/control/code.gjs b/app/assets/javascripts/discourse/app/form-kit/components/fk/control/code.gjs
index acab741883d..7dada72dd26 100644
--- a/app/assets/javascripts/discourse/app/form-kit/components/fk/control/code.gjs
+++ b/app/assets/javascripts/discourse/app/form-kit/components/fk/control/code.gjs
@@ -19,7 +19,7 @@ export default class FKControlCode extends Component {
       return;
     }
 
-    return `height: ${htmlSafe(escapeExpression(this.args.height) + "px")}`;
+    return htmlSafe(`height: ${escapeExpression(this.args.height)}px`);
   }
 
   <template>
diff --git a/app/assets/javascripts/discourse/app/form-kit/components/fk/control/composer.gjs b/app/assets/javascripts/discourse/app/form-kit/components/fk/control/composer.gjs
index 5459704bc88..e683562752b 100644
--- a/app/assets/javascripts/discourse/app/form-kit/components/fk/control/composer.gjs
+++ b/app/assets/javascripts/discourse/app/form-kit/components/fk/control/composer.gjs
@@ -17,7 +17,7 @@ export default class FKControlComposer extends Component {
       return;
     }
 
-    return `height: ${htmlSafe(escapeExpression(this.args.height) + "px")}`;
+    return htmlSafe(`height: ${escapeExpression(this.args.height)}px`);
   }
 
   <template>
diff --git a/app/assets/javascripts/discourse/app/form-kit/components/fk/control/textarea.gjs b/app/assets/javascripts/discourse/app/form-kit/components/fk/control/textarea.gjs
index c54bb48a839..282a5fed10e 100644
--- a/app/assets/javascripts/discourse/app/form-kit/components/fk/control/textarea.gjs
+++ b/app/assets/javascripts/discourse/app/form-kit/components/fk/control/textarea.gjs
@@ -17,7 +17,7 @@ export default class FKControlTextarea extends Component {
       return;
     }
 
-    return `height: ${htmlSafe(escapeExpression(this.args.height) + "px")}`;
+    return htmlSafe(`height: ${escapeExpression(this.args.height)}px`);
   }
 
   <template>