diff --git a/app/code/community/Studioforty9/Recaptcha/Helper/Redirect.php b/app/code/community/Studioforty9/Recaptcha/Helper/Redirect.php
index 6acbc17..008179e 100644
--- a/app/code/community/Studioforty9/Recaptcha/Helper/Redirect.php
+++ b/app/code/community/Studioforty9/Recaptcha/Helper/Redirect.php
@@ -64,9 +64,9 @@ public function getUrl()
             return $referer;
     	}
 
-    	if ($this->_session->hasLastUrl()) {
-    		return $this->_session->getLastUrl();
-    	}
+    	if ($this->getSession()->hasLastUrl()) {
+		return $this->getSession()->getLastUrl();
+	}
 
     	return $this->getRequestUri();
     }