diff --git a/src/irc/irc_client.cpp b/src/irc/irc_client.cpp
index 4fd1333..6813bba 100644
--- a/src/irc/irc_client.cpp
+++ b/src/irc/irc_client.cpp
@@ -14,6 +14,7 @@
 #include <sstream>
 #include <iostream>
 #include <stdexcept>
+#include <algorithm>
 #include <cstring>
 
 #include <chrono>