diff --git a/application/views/mobile_first/chinatravel-flight-index.php b/application/views/mobile_first/chinatravel-flight-index.php
index c24c5499..eb8b0a63 100644
--- a/application/views/mobile_first/chinatravel-flight-index.php
+++ b/application/views/mobile_first/chinatravel-flight-index.php
@@ -37,6 +37,7 @@
                 </div>
 
                 <div class="text-center"><button type="submit" name="button" id="SearchFlightButton" value="" class="ButtonFlights">SEARCH <i class="fa fa-angle-right" aria-hidden="true"></i></button>
+                <input type="hidden" name="utm_source" id="utm_source" value="32151">
                 </div>
             </div>
         </div>