diff --git a/src/config/shared/monitor/Parser.cpp b/src/config/shared/monitor/Parser.cpp
index 52793f772..05faa0c7a 100644
--- a/src/config/shared/monitor/Parser.cpp
+++ b/src/config/shared/monitor/Parser.cpp
@@ -6,6 +6,7 @@
 #include <hyprutils/string/Numeric.hpp>
 #include <hyprutils/string/String.hpp>
 #include <string>
+#include <algorithm>
 
 using namespace Config;
 using namespace Hyprutils::String;