diff --git a/src/Neo/SmartContract/Native/NativeContract.cs b/src/Neo/SmartContract/Native/NativeContract.cs
index 3be9028185..85a58033a9 100644
--- a/src/Neo/SmartContract/Native/NativeContract.cs
+++ b/src/Neo/SmartContract/Native/NativeContract.cs
@@ -290,8 +290,8 @@ internal bool IsInitializeBlock(ProtocolSettings settings, uint index, [NotNullW
             {
                 if (!settings.Hardforks.TryGetValue(hf, out var activeIn))
                 {
-                    // If is not set in the configuration is treated as enabled from the genesis
-                    activeIn = 0;
+                    // If hf is not set in the configuration (with EnsureOmmitedHardforks applied over it), it is treated as disabled.
+                    continue;
                 }
 
                 if (activeIn == index)