diff --git a/packages/block-editor/src/components/list-view/block-select-button.js b/packages/block-editor/src/components/list-view/block-select-button.js
index 9477eb2cda40c0..39baf78d5a7a88 100644
--- a/packages/block-editor/src/components/list-view/block-select-button.js
+++ b/packages/block-editor/src/components/list-view/block-select-button.js
@@ -12,7 +12,7 @@ import {
 	__experimentalTruncate as Truncate,
 } from '@wordpress/components';
 import { forwardRef } from '@wordpress/element';
-import { Icon, lock } from '@wordpress/icons';
+import { Icon, lockSmall as lock } from '@wordpress/icons';
 import { SPACE, ENTER } from '@wordpress/keycodes';
 
 /**
diff --git a/packages/block-editor/src/components/list-view/style.scss b/packages/block-editor/src/components/list-view/style.scss
index 0c271352b91552..6bcb7667b36b85 100644
--- a/packages/block-editor/src/components/list-view/style.scss
+++ b/packages/block-editor/src/components/list-view/style.scss
@@ -319,11 +319,16 @@
 
 	.block-editor-list-view-block-select-button__lock {
 		line-height: 0;
-		width: 24px;
+		width: 16px;
 		min-width: 24px;
+		height: 16px;
 		margin-left: auto;
 		padding: 0;
 		vertical-align: middle;
+		display: inline-flex;
+		justify-content: center;
+		align-items: center;
+		overflow: hidden;
 	}
 }
 
diff --git a/packages/block-editor/src/components/off-canvas-editor/block-select-button.js b/packages/block-editor/src/components/off-canvas-editor/block-select-button.js
index 47c82fe8596072..543823ab1ada25 100644
--- a/packages/block-editor/src/components/off-canvas-editor/block-select-button.js
+++ b/packages/block-editor/src/components/off-canvas-editor/block-select-button.js
@@ -104,7 +104,7 @@ function ListViewBlockSelectButton(
 						</span>
 					) }
 					{ isLocked && (
-						<span className="block-editor-list-view-block-select-button__lock offcanvas-editor-list-view-block-select-button__lock">
+						<span className="block-editor-list-view-block-select-button__lock">
 							<Icon icon={ lock } />
 						</span>
 					) }