diff --git a/src/logic/scripting/lua/libs/libcore.cpp b/src/logic/scripting/lua/libs/libcore.cpp
index 4f4c46cd..c453927c 100644
--- a/src/logic/scripting/lua/libs/libcore.cpp
+++ b/src/logic/scripting/lua/libs/libcore.cpp
@@ -1,5 +1,6 @@
 #include <memory>
 #include <vector>
+#include <sstream>
 
 #include "api_lua.hpp"
 #include "constants.hpp"