diff --git a/app/filters.php b/app/filters.php
index 259bf2160740..1fc113a940b7 100755
--- a/app/filters.php
+++ b/app/filters.php
@@ -86,8 +86,7 @@ App::before(function($request)
 
     if ($productId == PRODUCT_INVOICE_DESIGNS)
     {
-      //$data = file_get_contents("http://ninja.dev/claim_license?license_key={$licenseKey}&product_id={$productId}");
-      $data = file_get_contents(NINJA_URL . "/claim_license?license_key={$licenseKey}&product_id={$productId}");
+      $data = file_get_contents((Utils::isNinjaDev() ? 'http://ninja.dev' : NINJA_URL) . "/claim_license?license_key={$licenseKey}&product_id={$productId}");
 
       if ($data = json_decode($data))
       {
@@ -100,6 +99,10 @@ App::before(function($request)
           $design->save();
         }
 
+        if (!Utils::isNinja()) {
+          Cache::forget('invoice_designs_cache_' . Auth::user()->maxInvoiceDesignId());
+        }
+
         Session::flash('message', trans('texts.bought_designs'));
       }
     }
diff --git a/app/routes.php b/app/routes.php
index c37b46cc0960..c5514a3ef300 100755
--- a/app/routes.php
+++ b/app/routes.php
@@ -244,7 +244,7 @@ define('NINJA_ACCOUNT_KEY', 'zg4ylmzDkdkPOT8yoKQw9LTWaoZJx79h');
 define('NINJA_GATEWAY_ID', GATEWAY_AUTHORIZE_NET);
 define('NINJA_GATEWAY_CONFIG', '{"apiLoginId":"626vWcD5","transactionKey":"4bn26TgL9r4Br4qJ","testMode":"","developerMode":""}');
 define('NINJA_URL', 'https://www.invoiceninja.com');
-define('NINJA_VERSION', '1.5.0');
+define('NINJA_VERSION', '1.5.1');
 define('RELEASES_URL', 'https://github.com/hillelcoren/invoice-ninja/releases/');
 
 define('COUNT_FREE_DESIGNS', 4);
diff --git a/app/views/invoices/pdf.blade.php b/app/views/invoices/pdf.blade.php
index a78304ae3b47..d711b1a964d2 100644
--- a/app/views/invoices/pdf.blade.php
+++ b/app/views/invoices/pdf.blade.php
@@ -34,7 +34,7 @@
       <div class="modal-footer" id="signUpFooter">          
         <button type="button" class="btn btn-default" data-dismiss="modal">{{ trans('texts.cancel') }}</button>
         
-        @if (Utils::isNinja())
+        @if (Utils::isNinjaProd())
           <button type="button" class="btn btn-primary" onclick="showProPlan('invoice_designs')">{{ trans('texts.go_pro') }}</button>
         @else
           <button type="button" class="btn btn-primary" onclick="buyDesigns()">{{ trans('texts.buy') }}</button>
@@ -121,7 +121,7 @@
   }
 
   function buyDesigns() {
-    window.open('{{ NINJA_URL }}/license?return_url=' + window.location + '&affiliate_key={{ DESIGNS_AFFILIATE_KEY }}&product_id={{ PRODUCT_INVOICE_DESIGNS }}');
+    window.open('{{ Utils::isNinjaDev() ? '' : NINJA_URL }}/license?return_url=' + window.location + '&affiliate_key={{ DESIGNS_AFFILIATE_KEY }}&product_id={{ PRODUCT_INVOICE_DESIGNS }}');
   }
 
 </script>
\ No newline at end of file