diff --git a/include/transport/util.h b/include/transport/util.h
index fe171115e20a35c9ca40a16ba0b99f1d9038f576..d79a555f6aaf8e44f4f8de202e8dbed624952ddc 100644
--- a/include/transport/util.h
+++ b/include/transport/util.h
@@ -40,6 +40,8 @@ std::string serializeGroups(const std::vector<std::string> &groups);
 
 std::vector<std::string> deserializeGroups(std::string &groups);
 
+int getRandomPort(const std::string &s);
+
 }
 
 }