diff --git a/packages/block-editor/src/components/link-control/style.scss b/packages/block-editor/src/components/link-control/style.scss
index 565b6b05957f5d..552b8e4e2f54e0 100644
--- a/packages/block-editor/src/components/link-control/style.scss
+++ b/packages/block-editor/src/components/link-control/style.scss
@@ -139,6 +139,7 @@ $preview-image-height: 140px;
 		// Inline block required to preserve white space
 		// between `<mark>` elements and text nodes.
 		display: inline-block;
+		width: 100%;
 
 		mark {
 			font-weight: 600;