diff --git a/legacy/eobj/lib/Eo.h b/legacy/eobj/lib/Eo.h
index 7517ee2497..b90bcceaa6 100644
--- a/legacy/eobj/lib/Eo.h
+++ b/legacy/eobj/lib/Eo.h
@@ -30,6 +30,10 @@
 # endif
 #endif /* ! _WIN32 */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  * @var _eo_class_creation_lock
  * This variable is used for locking purposes in the class_get function
@@ -1138,4 +1142,8 @@ EAPI extern const Eo_Event_Description _EO_EV_DEL;
  * @}
  */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif