diff --git a/Assets/Mirror/Core/NetworkBehaviour.cs b/Assets/Mirror/Core/NetworkBehaviour.cs
index 49bfa8d67..9efc8ab1d 100644
--- a/Assets/Mirror/Core/NetworkBehaviour.cs
+++ b/Assets/Mirror/Core/NetworkBehaviour.cs
@@ -123,6 +123,7 @@ public void SetSyncVarDirtyBit(ulong dirtyBit)
 
         // true if syncInterval elapsed and any SyncVar or SyncObject is dirty
         // OR both bitmasks. != 0 if either was dirty.
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public bool IsDirty() =>
             NetworkTime.localTime - lastSyncTime >= syncInterval &&
             (syncVarDirtyBits | syncObjectDirtyBits) != 0UL;