diff --git a/src/wp-admin/includes/schema.php b/src/wp-admin/includes/schema.php
index cd66e1924b..70b4686e2e 100644
--- a/src/wp-admin/includes/schema.php
+++ b/src/wp-admin/includes/schema.php
@@ -861,13 +861,12 @@ function populate_roles_300() {
 	}
 }
 
+if ( !function_exists( 'install_network' ) ) :
 /**
  * Install Network.
  *
  * @since 3.0.0
- *
  */
-if ( !function_exists( 'install_network' ) ) :
 function install_network() {
 	if ( ! defined( 'WP_INSTALLING_NETWORK' ) )
 		define( 'WP_INSTALLING_NETWORK', true );