diff --git a/ts/routes/reviewer/reviewer.ts b/ts/routes/reviewer/reviewer.ts
index d1f2f77f0..48d35f7ba 100644
--- a/ts/routes/reviewer/reviewer.ts
+++ b/ts/routes/reviewer/reviewer.ts
@@ -6,6 +6,7 @@ export function setupReviewer() {
 
     function showQuestion(q, a, bodyclass) {
         html.set(q)
+        document.body.className = bodyclass
         preloadAnswerImages(a)
     }