diff --git a/packages/block-library/src/cover/style.scss b/packages/block-library/src/cover/style.scss
index 3b4eac41a0d3b4..837e3834e2e1ba 100644
--- a/packages/block-library/src/cover/style.scss
+++ b/packages/block-library/src/cover/style.scss
@@ -8,9 +8,10 @@
 	align-items: center;
 	padding: 1em;
 	// Prevent the `wp-block-cover__background` span from overflowing the container when border-radius is applied.
+	// `overflow: hidden` is provided as a fallback for browsers that don't support `overflow: clip`.
+	overflow: hidden;
 	// Use clip instead of overflow: hidden so that sticky position works on child elements.
-	// Use overflow-x instead of overflow so that aspect-ratio allows content to expand the area of the cover block.
-	overflow-x: clip;
+	overflow: clip;
 	// This block has customizable padding, border-box makes that more predictable.
 	box-sizing: border-box;
 	// Keep the flex layout direction to the physical direction (LTR) in RTL languages.