diff --git a/plugins/checkout/MONEYBOOKERS_RECURRING.php b/plugins/checkout/MONEYBOOKERS_RECURRING.php
index 8c9c8b02..c0374749 100644
--- a/plugins/checkout/MONEYBOOKERS_RECURRING.php
+++ b/plugins/checkout/MONEYBOOKERS_RECURRING.php
@@ -64,9 +64,9 @@ class plg_chout_MONEYBOOKERS_RECURRING extends base_checkout_plugin
 		if($recurr_bill_arr[0]["recurr_type"] == "1")
 		{
 			# Pro-rate billing:
-			include_once ( PATH_MODULES . 'checkout/checkout.inc.php' );
-			$checkout = new checkout;
-			$arr = $checkout->recurrDates($recurr_bill_arr[0]["recurr_schedule"], $recurr_bill_arr[0]["recurr_weekday"], $recurr_bill_arr[0]["recurr_week"]);
+			include_once ( PATH_MODULES . 'product/product.inc.php' );
+			$product = new product;
+			$arr = $product->recurrDates($recurr_bill_arr[0]["recurr_schedule"], $recurr_bill_arr[0]["recurr_weekday"], $recurr_bill_arr[0]["recurr_week"]);
 			$rec_start_date = date("d/m/Y", $arr["end"]);
 			$end = $arr["end"]+(86400*365*10);
 			$rec_end_date   = date("d/m/Y", $end);
diff --git a/plugins/checkout/PAYPAL_RECURRING.php b/plugins/checkout/PAYPAL_RECURRING.php
index c8f5b11a..b2caeab9 100644
--- a/plugins/checkout/PAYPAL_RECURRING.php
+++ b/plugins/checkout/PAYPAL_RECURRING.php
@@ -77,9 +77,9 @@ class plg_chout_PAYPAL_RECURRING extends base_checkout_plugin
 		if($recurr_bill_arr[0]["recurr_type"] == "1")
 		{
 			# Pro-rate billing:
-			include_once ( PATH_MODULES . 'checkout/checkout.inc.php' );
-			$checkout = new checkout;
-			$arr = $checkout->recurrDates($recurr_bill_arr[0]["recurr_schedule"], $recurr_bill_arr[0]["recurr_weekday"], $recurr_bill_arr[0]["recurr_week"]);
+			include_once ( PATH_MODULES . 'product/product.inc.php' );
+			$product = new product;
+			$arr = $product->recurrDates($recurr_bill_arr[0]["recurr_schedule"], $recurr_bill_arr[0]["recurr_weekday"], $recurr_bill_arr[0]["recurr_week"]);
 			$remain_time = $arr['end'] - time();
 			$period1 	 = round($remain_time/86400);
 			$subscr_date = date("Y-m-d", $arr["end"]);
diff --git a/plugins/checkout/WORLDPAY_FUTUREPAY.php b/plugins/checkout/WORLDPAY_FUTUREPAY.php
index 801f0809..6b046747 100644
--- a/plugins/checkout/WORLDPAY_FUTUREPAY.php
+++ b/plugins/checkout/WORLDPAY_FUTUREPAY.php
@@ -90,9 +90,9 @@ class plg_chout_WORLDPAY_FUTUREPAY extends base_checkout_plugin
 		if($recurr_bill_arr[0]["recurr_type"] == "1")
 		{
 			# Pro-rate billing:
-			include_once ( PATH_MODULES . 'checkout/checkout.inc.php' );
-			$checkout = new checkout;
-			$arr = $checkout->recurrDates($recurr_bill_arr[0]["recurr_schedule"], $recurr_bill_arr[0]["recurr_weekday"], $recurr_bill_arr[0]["recurr_week"]);
+			include_once ( PATH_MODULES . 'product/product.inc.php' );
+			$product = new product;
+			$arr = $product->recurrDates($recurr_bill_arr[0]["recurr_schedule"], $recurr_bill_arr[0]["recurr_weekday"], $recurr_bill_arr[0]["recurr_week"]);
 			$remain_time = $arr['end'] - time();
 			$period1 	 = round($remain_time/86400);
 			$start_date  = date("Y-m-d", $arr["end"]);