diff --git a/inc/inc.ClassNotificationService.php b/inc/inc.ClassNotificationService.php
index 7a323044c..b8da5e99d 100644
--- a/inc/inc.ClassNotificationService.php
+++ b/inc/inc.ClassNotificationService.php
@@ -93,13 +93,16 @@ class SeedDMS_NotificationService {
 				if(!$service->toIndividual($sender, $recipient, $subject, $message, $params)) {
 					$error = false;
 					$this->errors[$name] = false;
-					$this->logger->log('Notification service \''.$name.'\': Sending notification \''.$subject.'\' to user \''.$to.'\' ('.$recvtype.') failed.', PEAR_LOG_ERR);
+					if($this->logger)
+						$this->logger->log('Notification service \''.$name.'\': Sending notification \''.$subject.'\' to user \''.$to.'\' ('.$recvtype.') failed.', PEAR_LOG_ERR);
 				} else {
-					$this->logger->log('Notification service \''.$name.'\': Sending notification \''.$subject.'\' to user \''.$to.'\' ('.$recvtype.') successful (reason for notification: '.$recvtype.').', PEAR_LOG_INFO);
+					if($this->logger)
+						$this->logger->log('Notification service \''.$name.'\': Sending notification \''.$subject.'\' to user \''.$to.'\' ('.$recvtype.') successful (reason for notification: '.$recvtype.').', PEAR_LOG_INFO);
 					$this->errors[$name] = true;
 				}
 			} else {
-				$this->logger->log('Notification service \''.$name.'\': Notification \''.$subject.'\' to user \''.$to.'\' ('.$recvtype.') filtered out (reason for notification: '.$recvtype.').', PEAR_LOG_INFO);
+				if($this->logger)
+					$this->logger->log('Notification service \''.$name.'\': Notification \''.$subject.'\' to user \''.$to.'\' ('.$recvtype.') filtered out (reason for notification: '.$recvtype.').', PEAR_LOG_INFO);
 			}
 		}
 		return $error;