diff --git a/apps/client/src/features/control/message/InputRow.tsx b/apps/client/src/features/control/message/InputRow.tsx
index dd947511a..c5559a5b9 100644
--- a/apps/client/src/features/control/message/InputRow.tsx
+++ b/apps/client/src/features/control/message/InputRow.tsx
@@ -43,7 +43,7 @@ export default function InputRow(props: PropsWithChildren<InputRowProps>) {
 
   return (
     <div>
-      <label className={cx([style.label, visible ?? style.active])} htmlFor={label}>
+      <label className={cx([style.label, visible && style.active])} htmlFor={label}>
         {label}
       </label>
       <div className={style.inputItems}>
diff --git a/apps/client/src/features/control/message/TimerPreview.tsx b/apps/client/src/features/control/message/TimerPreview.tsx
index 62c7e6709..26847849e 100644
--- a/apps/client/src/features/control/message/TimerPreview.tsx
+++ b/apps/client/src/features/control/message/TimerPreview.tsx
@@ -49,7 +49,7 @@ export default function TimerPreview() {
   })();
 
   const showColourOverride = main == 'Timer';
-  const contentClasses = cx([blink && style.blink, blackout && style.blackout]);
+  const contentClasses = cx([blink && 'blink', blackout && style.blackout]);
 
   return (
     <div className={style.preview}>