diff --git a/src/config/ConfigManager.hpp b/src/config/ConfigManager.hpp
index 4241031b..4d087753 100644
--- a/src/config/ConfigManager.hpp
+++ b/src/config/ConfigManager.hpp
@@ -6,6 +6,7 @@
 #include "../debug/Log.hpp"
 #include <unordered_map>
 #include "../defines.hpp"
+#include <variant>
 #include <vector>
 #include <deque>
 #include <algorithm>