diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index 966dcd8265..efb310c1c1 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -2553,8 +2553,9 @@ function get_allowed_mime_types( $user = null ) {
 	if ( function_exists( 'current_user_can' ) )
 		$unfiltered = $user ? user_can( $user, 'unfiltered_html' ) : current_user_can( 'unfiltered_html' );
 
-	if ( empty( $unfiltered ) )
-		unset( $t['htm|html'] );
+	if ( empty( $unfiltered ) ) {
+		unset( $t['htm|html'], $t['js'] );
+	}
 
 	/**
 	 * Filters list of allowed mime types and file extensions.