diff --git a/src/includes/classes/gateways/authnet/authnet-sp-checkout-in.inc.php b/src/includes/classes/gateways/authnet/authnet-sp-checkout-in.inc.php
index 0db440a4..35de86c8 100644
--- a/src/includes/classes/gateways/authnet/authnet-sp-checkout-in.inc.php
+++ b/src/includes/classes/gateways/authnet/authnet-sp-checkout-in.inc.php
@@ -168,8 +168,12 @@ public static function authnet_sp_checkout ()
 
 																$global_response = array("response" => sprintf (_x ('<strong>Thank you.</strong> Your purchase has been approved.<br />&mdash; Please <a href="%s" rel="nofollow">click here</a> to proceed.', "s2member-front", "s2member"), esc_attr ($sp_access_url)));
 
-																if ($post_vars["attr"]["success"] && substr ($ipn["s2member_authnet_proxy_return_url"], 0, 2) === substr ($post_vars["attr"]["success"], 0, 2) && ($custom_success_url = str_ireplace (array("%%s_response%%", /* Deprecated in v111106 ». */ "%%response%%"), array(urlencode (c_ws_plugin__s2member_utils_encryption::encrypt ($global_response["response"])), urlencode ($global_response["response"])), $ipn["s2member_authnet_proxy_return_url"])) && ($custom_success_url = trim (preg_replace ("/%%(.+?)%%/i", "", $custom_success_url))))
+																if ($post_vars["attr"]["success"]
+																		&& (substr($ipn['s2member_authnet_proxy_return_url'], 0, 2) === substr($post_vars['attr']['success'], 0, 2) || stripos($ipn['s2member_authnet_proxy_return_url'], 'http') === 0)
+																		&& ($custom_success_url = str_ireplace (array("%%s_response%%", /* Deprecated in v111106 ». */ "%%response%%"), array(urlencode (c_ws_plugin__s2member_utils_encryption::encrypt ($global_response["response"])), urlencode ($global_response["response"])), $ipn["s2member_authnet_proxy_return_url"]))
+																		&& ($custom_success_url = trim (preg_replace ("/%%(.+?)%%/i", "", $custom_success_url)))) {
 																	wp_redirect(c_ws_plugin__s2member_utils_urls::add_s2member_sig ($custom_success_url, "s2p-v")) . exit ();
+																}
 															}
 														else // Else, unable to generate Access Link.
 															{
diff --git a/src/includes/classes/gateways/paypal/paypal-sp-checkout-in.inc.php b/src/includes/classes/gateways/paypal/paypal-sp-checkout-in.inc.php
index c131cff6..d0cc8936 100644
--- a/src/includes/classes/gateways/paypal/paypal-sp-checkout-in.inc.php
+++ b/src/includes/classes/gateways/paypal/paypal-sp-checkout-in.inc.php
@@ -287,8 +287,12 @@ public static function sp_checkout()
 
 																		$global_response = array("response" => sprintf(_x('<strong>Thank you.</strong> Your purchase has been approved.<br />&mdash; Please <a href="%s" rel="nofollow">click here</a> to proceed.', "s2member-front", "s2member"), esc_attr($sp_access_url)));
 
-																		if($post_vars["attr"]["success"] && substr($ipn["s2member_paypal_proxy_return_url"], 0, 2) === substr($post_vars["attr"]["success"], 0, 2) && ($custom_success_url = str_ireplace(array("%%s_response%%", /* Deprecated in v111106 ». */ "%%response%%"), array(urlencode(c_ws_plugin__s2member_utils_encryption::encrypt($global_response["response"])), urlencode($global_response["response"])), $ipn["s2member_paypal_proxy_return_url"])) && ($custom_success_url = trim(preg_replace("/%%(.+?)%%/i", "", $custom_success_url))))
+																		if($post_vars["attr"]["success"]
+																				&& (substr($ipn['s2member_paypal_proxy_return_url'], 0, 2) === substr($post_vars['attr']['success'], 0, 2) || stripos($ipn['s2member_paypal_proxy_return_url'], 'http') === 0)
+																				&& ($custom_success_url = str_ireplace(array("%%s_response%%", /* Deprecated in v111106 ». */ "%%response%%"), array(urlencode(c_ws_plugin__s2member_utils_encryption::encrypt($global_response["response"])), urlencode($global_response["response"])), $ipn["s2member_paypal_proxy_return_url"]))
+																				&& ($custom_success_url = trim(preg_replace("/%%(.+?)%%/i", "", $custom_success_url)))) {
 																			wp_redirect(c_ws_plugin__s2member_utils_urls::add_s2member_sig($custom_success_url, "s2p-v")).exit();
+																		}
 																	}
 																else // Else, unable to generate Access Link.
 																	{
diff --git a/src/includes/classes/gateways/stripe/stripe-sp-checkout-in.inc.php b/src/includes/classes/gateways/stripe/stripe-sp-checkout-in.inc.php
index c230bcef..72d48353 100644
--- a/src/includes/classes/gateways/stripe/stripe-sp-checkout-in.inc.php
+++ b/src/includes/classes/gateways/stripe/stripe-sp-checkout-in.inc.php
@@ -154,7 +154,7 @@ public static function stripe_sp_checkout()
 							{
 								$global_response = array('response' => sprintf(_x('<strong>Thank you.</strong> Your purchase has been approved.<br />&mdash; Please <a href="%s" rel="nofollow">click here</a> to proceed.', 's2member-front', 's2member'), esc_attr($sp_access_url)));
 
-								if($post_vars['attr']['success'] && substr($ipn['s2member_stripe_proxy_return_url'], 0, 2) === substr($post_vars['attr']['success'], 0, 2)
+								if($post_vars['attr']['success'] && (substr($ipn['s2member_stripe_proxy_return_url'], 0, 2) === substr($post_vars['attr']['success'], 0, 2) || stripos($ipn['s2member_stripe_proxy_return_url'], 'http') === 0)
 								   && ($custom_success_url = str_ireplace(array('%%s_response%%', '%%response%%'), array(urlencode(c_ws_plugin__s2member_utils_encryption::encrypt($global_response['response'])), urlencode($global_response['response'])), $ipn['s2member_stripe_proxy_return_url']))
 								   && ($custom_success_url = trim(preg_replace('/%%(.+?)%%/i', '', $custom_success_url)))
 								) wp_redirect(c_ws_plugin__s2member_utils_urls::add_s2member_sig($custom_success_url, 's2p-v')).exit ();