diff --git a/include/chibi/features.h b/include/chibi/features.h
index 5646be20..ccf27b04 100644
--- a/include/chibi/features.h
+++ b/include/chibi/features.h
@@ -846,11 +846,15 @@
 #endif
 
 #ifdef _WIN32
+#ifdef SEXP_STATIC_LIBRARY
+#define SEXP_API    extern
+#else
 #ifdef BUILDING_DLL
 #define SEXP_API    __declspec(dllexport)
 #else
 #define SEXP_API    __declspec(dllimport)
 #endif
+#endif
 #else
 #define SEXP_API    extern
 #endif