diff --git a/app/code/community/Wuunder/WuunderConnector/Helper/Data.php b/app/code/community/Wuunder/WuunderConnector/Helper/Data.php
index 4aaeef5..b5598c5 100755
--- a/app/code/community/Wuunder/WuunderConnector/Helper/Data.php
+++ b/app/code/community/Wuunder/WuunderConnector/Helper/Data.php
@@ -417,7 +417,7 @@ public function buildWuunderData($infoArray, $order, $bookingToken)
         $sourceObj = array(
             "product" => "Magento 1 extension",
             "version" => array(
-                "build" => "4.0.5",
+                "build" => "4.0.6",
                 "plugin" => "4.0"
             ),
             "platform" => array(
diff --git a/app/code/community/Wuunder/WuunderConnector/etc/config.xml b/app/code/community/Wuunder/WuunderConnector/etc/config.xml
index 3d676bc..6252149 100755
--- a/app/code/community/Wuunder/WuunderConnector/etc/config.xml
+++ b/app/code/community/Wuunder/WuunderConnector/etc/config.xml
@@ -2,7 +2,7 @@
 <config>
     <modules>
         <Wuunder_WuunderConnector>
-            <version>4.0.5</version>
+            <version>4.0.6</version>
         </Wuunder_WuunderConnector>
     </modules>
     <global>
diff --git a/js/wuunder/parcelshops.js b/js/wuunder/parcelshops.js
index 7578c74..d1bfa23 100644
--- a/js/wuunder/parcelshops.js
+++ b/js/wuunder/parcelshops.js
@@ -12,6 +12,9 @@ function initParcelshopMethod(url, apiUrl, carriers) {
     
     if (window.parent.document.getElementById(parcelshopMethodId).checked) {
         window.parent.document.getElementById(parcelshopInfoDiv).style.display = 'block';
+
+        //Trigger onClick function, to trigger switchShippingMethodValidation function in onestepcheckout
+        window.parent.document.getElementById(parcelshopMethodId).click();
     }
 }