diff --git a/lib/private/Log/ErrorHandler.php b/lib/private/Log/ErrorHandler.php
index 604de67a10..de8189a3c2 100644
--- a/lib/private/Log/ErrorHandler.php
+++ b/lib/private/Log/ErrorHandler.php
@@ -105,6 +105,8 @@ class ErrorHandler {
 				return ILogger::WARN;
 
 			case E_USER_DEPRECATED:
+				return ILogger::DEBUG;
+
 			case E_USER_NOTICE:
 				return ILogger::INFO;