diff --git a/src/D2Config.php b/src/D2Config.php
index 3deb575..74ac708 100755
--- a/src/D2Config.php
+++ b/src/D2Config.php
@@ -146,6 +146,7 @@ ERROR: INVALID PATH</h1></center>';
 <html lang="en">
 <?php
 /* Require the <head> section */
+$css = '';
 require_once "head.php";
 ?>
     <body style="background: white;">
diff --git a/switchMods.php b/switchMods.php
index 3b7d909..94b245c 100755
--- a/switchMods.php
+++ b/switchMods.php
@@ -90,6 +90,7 @@ if (file_exists(APP_DB)) {
 <html lang="en">
 	<?php
 	/* Require the <head> section */
+    $css = '';
 	require_once "src/head.php";
 	?>
     <body style="background: white;">
