diff --git a/runway-framework/framework/core/admin-object.php b/runway-framework/framework/core/admin-object.php
index 8c9a434..6b1552e 100755
--- a/runway-framework/framework/core/admin-object.php
+++ b/runway-framework/framework/core/admin-object.php
@@ -1080,7 +1080,7 @@ function slasherize( $var, $strip = false ) {
 		 *
 		 */
 		function loadFolderCSS($file_dir) {
-			$stylesheets = '';
+			$stylesheets = [];
 
 			if ($css_dir = opendir($file_dir)) {
 				while (false !== ($file = readdir($css_dir))) {
@@ -1287,4 +1287,4 @@ function __d( $d ) {
 	}
 }
 
-?>
\ No newline at end of file
+?>