diff --git a/packages/block-library/src/navigation/index.php b/packages/block-library/src/navigation/index.php
index 5dcada62f6feb..b52a81349d471 100644
--- a/packages/block-library/src/navigation/index.php
+++ b/packages/block-library/src/navigation/index.php
@@ -561,7 +561,7 @@ private static function get_nav_element_directives( $is_interactive ) {
 			)
 		);
 		$nav_element_directives = '
-		 data-wp-interactive="core/navigation"'
+		 data-wp-interactive="core/navigation" '
 		. $nav_element_context;
 
 		return $nav_element_directives;