diff --git a/frontend/src/scripts/controllers/theme-controller.ts b/frontend/src/scripts/controllers/theme-controller.ts
index 7047605bf..c2169e870 100644
--- a/frontend/src/scripts/controllers/theme-controller.ts
+++ b/frontend/src/scripts/controllers/theme-controller.ts
@@ -222,6 +222,7 @@ export function randomizeTheme(): void {
 }
 
 export function clearRandom(): void {
+  if (randomTheme === null) return;
   randomTheme = null;
   if (Config.customTheme) {
     apply("custom", true);