diff --git a/web/includes/Monitor.php b/web/includes/Monitor.php
index 2da19e952c..b93be046aa 100644
--- a/web/includes/Monitor.php
+++ b/web/includes/Monitor.php
@@ -292,7 +292,7 @@ public static function getStateString($option) {
     'EventCloseMode'    => 'system',
     'FrameSkip'           =>  0,
     'MotionFrameSkip'     =>  0,
-    'AnalysisFPSLimit'  =>  2,
+    'AnalysisFPSLimit'  =>  [ 'default'=>null, 'initial_default'=>2 ],
     'AnalysisUpdateDelay'  =>  0,
     'MaxFPS' => null,
     'AlarmMaxFPS' => null,