diff --git a/src/ObjLoading/StateMap/StateMapHandler.cpp b/src/ObjLoading/StateMap/StateMapHandler.cpp
index aa2bc88b..7b56406e 100644
--- a/src/ObjLoading/StateMap/StateMapHandler.cpp
+++ b/src/ObjLoading/StateMap/StateMapHandler.cpp
@@ -2,6 +2,7 @@
 
 #include <cassert>
 #include <iostream>
+#include <algorithm>
 
 using namespace state_map;