diff --git a/ResoniteMetricsCounter/Metrics/MetricsCounter.cs b/ResoniteMetricsCounter/Metrics/MetricsCounter.cs
index 3eccc27..1c20b1c 100644
--- a/ResoniteMetricsCounter/Metrics/MetricsCounter.cs
+++ b/ResoniteMetricsCounter/Metrics/MetricsCounter.cs
@@ -1,4 +1,4 @@
-using Elements.Core;
+using Elements.Core;
 using FrooxEngine;
 using FrooxEngine.ProtoFlux;
 using ResoniteMetricsCounter.Serialization;
@@ -35,6 +35,8 @@ public sealed class MetricsCounter : IDisposable
     [JsonInclude] public long ElapsedMilliseconds => stopwatch.ElapsedMilliseconds;
     public long ElapsedTicks => stopwatch.ElapsedTicks;
 
+    [JsonInclude] public int FrameCount { get; private set; }
+
     public MetricsCounter(IEnumerable<string> blackList)
     {
         shouldSkip = new(ShouldSkipImpl);
@@ -163,4 +165,9 @@ internal void IgnoreHierarchy(Slot slot)
     {
         IgnoredHierarchy = slot;
     }
+
+    internal void OnUpdate()
+    {
+        FrameCount++;
+    }
 }