diff --git a/libsrc/core/ngcore_api.hpp b/libsrc/core/ngcore_api.hpp
index e66e9b8..4ecaa05 100644
--- a/libsrc/core/ngcore_api.hpp	
+++ b/libsrc/core/ngcore_api.hpp
@@ -35,8 +35,13 @@
 
 
 #ifdef WIN32
+#if !defined(NGSTATIC_BUILD)
         #define NGCORE_API_EXPORT __declspec(dllexport)
         #define NGCORE_API_IMPORT __declspec(dllimport)
+#else
+        #define NGCORE_API_EXPORT
+        #define NGCORE_API_IMPORT
+#endif
 #else
         #define NGCORE_API_EXPORT __attribute__((visibility("default")))
         #define NGCORE_API_IMPORT __attribute__((visibility("default")))
diff --git a/nglib/nglib.h b/nglib/nglib.h
index f8c745a..e4587d2 100644
--- a/nglib/nglib.h	
+++ b/nglib/nglib.h
@@ -26,11 +26,15 @@
 // Philippose - 14.02.2009
 // Modifications for creating a DLL in Windows
 #ifdef WIN32
+ #if defined(NGSTATIC_BUILD)
+   #define NGLIB_API
+ #else
    #ifdef nglib_EXPORTS
       #define NGLIB_API   __declspec(dllexport)
    #else
       #define NGLIB_API   __declspec(dllimport)
    #endif
+  #endif
 #else
   #define NGLIB_API __attribute__((visibility("default")))
 #endif