diff --git a/qt/ts/scss/reviewer.scss b/qt/ts/scss/reviewer.scss
index c9bf06d6d..220d286d2 100644
--- a/qt/ts/scss/reviewer.scss
+++ b/qt/ts/scss/reviewer.scss
@@ -45,6 +45,8 @@ img {
 
 #typeans {
     width: 100%;
+    // https://anki.tenderapp.com/discussions/beta-testing/1854-using-margin-auto-causes-horizontal-scrollbar-on-typesomething
+    box-sizing: border-box;
 }
 
 .typeGood {