diff --git a/packages/block-editor/src/components/block-toolbar/style.scss b/packages/block-editor/src/components/block-toolbar/style.scss
index ab941db127d9f6..0d93118dee8877 100644
--- a/packages/block-editor/src/components/block-toolbar/style.scss
+++ b/packages/block-editor/src/components/block-toolbar/style.scss
@@ -6,9 +6,12 @@
 	display: flex;
 	flex-grow: 1;
 	width: 100%;
-	overflow: auto; // Allow horizontal scrolling on mobile.
 	position: relative;
 
+	// Allow horizontal scrolling on mobile.
+	overflow-y: hidden;
+	overflow-x: auto;
+
 	// Animation
 	transition: border-color 0.1s linear, box-shadow 0.1s linear;
 	@include reduce-motion("transition");