diff --git a/lib/roken/roken-common.h b/lib/roken/roken-common.h
index bacfd54a9..aea3b714e 100644
--- a/lib/roken/roken-common.h
+++ b/lib/roken/roken-common.h
@@ -36,6 +36,14 @@
 #ifndef __ROKEN_COMMON_H__
 #define __ROKEN_COMMON_H__
 
+#ifdef __cplusplus
+#define ROKEN_CPP_START	extern "C" {
+#define ROKEN_CPP_END	}
+#else
+#define ROKEN_CPP_START
+#define ROKEN_CPP_END
+#endif
+
 #ifndef INADDR_NONE
 #define INADDR_NONE 0xffffffff
 #endif