diff --git a/src/gwin/gwin_class.h b/src/gwin/gwin_class.h
index 8ad884f7..d8f48980 100644
--- a/src/gwin/gwin_class.h
+++ b/src/gwin/gwin_class.h
@@ -61,6 +61,10 @@ typedef struct gwinVMT {
 } gwinVMT;
 /** @} */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #if GWIN_NEED_WIDGET || defined(__DOXYGEN__)
 
 	/**
@@ -442,6 +446,10 @@ gBool _gwinWMAdd(GHandle gh, const GWindowInit *pInit);
 
 #endif
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* GFX_USE_GWIN */
 
 #endif /* _CLASS_GWIN_H */