diff --git a/src/static_src/scss/_room.scss b/src/static_src/scss/_room.scss
index 3e6f12a..dfa7b53 100644
--- a/src/static_src/scss/_room.scss
+++ b/src/static_src/scss/_room.scss
@@ -32,8 +32,11 @@ $gate-line: 2px;
     gap: 0.5rem;
 }
 
-body:has(.gate-overlay) {
+html:has(.gate-overlay) {
     overflow: hidden;
+}
+
+body:has(.gate-overlay) {
 
     // Pin gear controls to the visual viewport,
     // bypassing iOS 100vh chrome-inclusion bug.