diff --git a/interface/include/nakama-cpp/NExport.h b/interface/include/nakama-cpp/NExport.h
index 97ba3ac1..57eda16a 100644
--- a/interface/include/nakama-cpp/NExport.h
+++ b/interface/include/nakama-cpp/NExport.h
@@ -16,11 +16,11 @@
 
 #pragma once
 
-#undef NAKAMA_API
-
 // That's where FORCE_DLL_IMPORT_EXPORT might be defined on some platforms
 #include <nakama-cpp/config.h>
 
+#ifndef NAKAMA_API
+
 #if defined _WIN32 || defined __CYGWIN__  || defined FORCE_DLL_IMPORT_EXPORT
     #ifdef NAKAMA_SHARED_LIBRARY_EXPORTS
         #define NAKAMA_API __declspec(dllexport)
@@ -36,3 +36,5 @@
 #else
     #define NAKAMA_API
 #endif
+
+#endif // NAKAMA_API