diff --git a/advagg.module b/advagg.module
index 53fe5c5..a8c5624 100644
--- a/advagg.module
+++ b/advagg.module
@@ -1164,21 +1164,8 @@ function advagg_preprocess_html() {
     return;
   }
 
-  // Setup IE meta tag to force IE rendering mode.
-  $meta_ie_render_engine = array(
-    '#type' => 'html_tag',
-    '#tag' => 'meta',
-    '#attributes' => array(
-      'http-equiv' => 'X-UA-Compatible',
-      'content' => 'IE=edge,chrome=1',
-    ),
-    '#weight' => '-99999',
-    '#prefix' => '<!--[if IE]>',
-    '#suffix' => '<![endif]-->',
-  );
-
-  // Add meta tag for IE to head.
-  drupal_add_html_head($meta_ie_render_engine, 'meta_ie_render_engine');
+  // Send IE meta tag to force IE rendering mode header.
+  drupal_add_http_header('X-UA-Compatible', 'IE=edge,chrome=1');
 }
 
 /**