diff --git a/lib/roken/resolve.h b/lib/roken/resolve.h
index 6ed2dcadd..c2e456a84 100644
--- a/lib/roken/resolve.h
+++ b/lib/roken/resolve.h
@@ -278,6 +278,10 @@ struct rk_dns_reply{
 };
 
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct dns_reply* ROKEN_LIB_FUNCTION
 	rk_dns_lookup(const char *, const char *);
 void ROKEN_LIB_FUNCTION
@@ -289,4 +293,8 @@ const char *ROKEN_LIB_FUNCTION
 void ROKEN_LIB_FUNCTION
 	rk_dns_srv_order(struct dns_reply*);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __RESOLVE_H__ */