diff --git modules/contrib/mobile_theme/mobile_theme.module modules/contrib/mobile_theme/mobile_theme.module
index a96f7d9..68b4c48 100644
--- modules/contrib/mobile_theme/mobile_theme.module
+++ modules/contrib/mobile_theme/mobile_theme.module
@@ -132,6 +132,9 @@ function mobile_theme_detect_php() {
   if (strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows') > 0) {
     $mobile_browser = 0;
   }
+  if (strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows phone') > 0) {
+    $mobile_browser = 1;
+  }
   return $mobile_browser > 0;
 }