diff --git a/Core/BF909x.h b/Core/BF909x.h
index 934bcf05..b754f24d 100644
--- a/Core/BF909x.h
+++ b/Core/BF909x.h
@@ -33,4 +33,9 @@ protected:
 			_mirroringType = (value & 0x10) ? MirroringType::ScreenAOnly : MirroringType::ScreenBOnly;
 		}
 	}
+
+	virtual void StreamState(bool saving)
+	{
+		Stream<bool>(_bf9097Mode);
+	}
 };
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