2 files changed, 2 insertions, 2 deletions
diff --git a/src/irc/iid.cpp b/src/irc/iid.cpp
index c951a49..ff14da5 100644
--- a/src/irc/iid.cpp
+++ b/src/irc/iid.cpp
@@ -5,7 +5,7 @@
 
 #include <utils/encoding.hpp>
 
-Iid::Iid(const std::string local, const std::string server, Iid::Type type):
+Iid::Iid(const std::string& local, const std::string& server, Iid::Type type):
         type(type),
         local(local),
         server(server)
diff --git a/src/irc/iid.hpp b/src/irc/iid.hpp
index 7361c51..a857ae9 100644
--- a/src/irc/iid.hpp
+++ b/src/irc/iid.hpp
@@ -58,7 +58,7 @@ public:
   Iid(const std::string& iid, const std::set<char>& chantypes);
   Iid(const std::string& iid, const std::initializer_list<char>& chantypes);
   Iid(const std::string& iid, const Bridge* bridge);
-  Iid(const std::string local, const std::string server, Type type);
+  Iid(const std::string& local, const std::string& server, Type type);
   Iid() = default;
   Iid(const Iid&) = default;