diff --git a/util/RTCContext.h b/util/RTCContext.h
index c097e92..d55ac11 100644
--- a/util/RTCContext.h
+++ b/util/RTCContext.h
@@ -1,7 +1,9 @@
 // RTCContext.h
 #pragma once
 
-#include "numpyConfig.h"
+//#include "numpyConfig.h"
+
+extern void* RTC_PLUGINS_ARRAY_API[];
 
 #include "IMRTCEngine.hpp"
 #include "MRTCEngineDefine.hpp"
diff --git a/util/numpyConfig.h b/util/numpyConfig.h
index bbc7789..2c8f497 100644
--- a/util/numpyConfig.h
+++ b/util/numpyConfig.h
@@ -1,4 +1,6 @@
 // numpy_config.h
+#pragma once
+
 #ifndef NUMPY_CONFIG_INCLUDED
 #define NUMPY_CONFIG_INCLUDED