diff --git a/lib/private/Log/ErrorHandler.php b/lib/private/Log/ErrorHandler.php
index d56fecb1ecb28..92583587f0f59 100644
--- a/lib/private/Log/ErrorHandler.php
+++ b/lib/private/Log/ErrorHandler.php
@@ -105,6 +105,7 @@ public static function errnoToLogLevel(int $errno): int {
 			case E_USER_WARNING:
 				return ILogger::WARN;
 
+			case E_DEPRECATED:
 			case E_USER_DEPRECATED:
 				return ILogger::DEBUG;