diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index e985afea0b..c2cd71756a 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -1170,7 +1170,7 @@ body > [data-popper-placement] {
     width: 0;
     position: absolute;
     top: 0;
-    inset-inline-start: 16px + ((46px - 2px) / 2);
+    inset-inline-start: 16px + ((46px - 2px) * 0.5);
 
     &--full {
       top: 0;