diff --git a/packages/block-library/src/navigation-link/edit.js b/packages/block-library/src/navigation-link/edit.js
index e091b52c68a5c4..bc772671219fe9 100644
--- a/packages/block-library/src/navigation-link/edit.js
+++ b/packages/block-library/src/navigation-link/edit.js
@@ -333,6 +333,7 @@ export default function NavigationLinkEdit( {
 			isKeyboardEvent.primary( event, 'k' ) ||
 			( ( ! url || isDraft || isInvalid ) && event.keyCode === ENTER )
 		) {
+			event.preventDefault();
 			setIsLinkOpen( true );
 		}
 	}
diff --git a/packages/block-library/src/navigation-submenu/edit.js b/packages/block-library/src/navigation-submenu/edit.js
index 507ea64940c3a6..401d9512797b09 100644
--- a/packages/block-library/src/navigation-submenu/edit.js
+++ b/packages/block-library/src/navigation-submenu/edit.js
@@ -279,6 +279,7 @@ export default function NavigationSubmenuEdit( {
 
 	function onKeyDown( event ) {
 		if ( isKeyboardEvent.primary( event, 'k' ) ) {
+			event.preventDefault();
 			setIsLinkOpen( true );
 		}
 	}