diff --git a/Source/Core/InputCommon/ControlReference/FunctionExpression.cpp b/Source/Core/InputCommon/ControlReference/FunctionExpression.cpp
index 18b98c5e19..f1cdc690a3 100644
--- a/Source/Core/InputCommon/ControlReference/FunctionExpression.cpp
+++ b/Source/Core/InputCommon/ControlReference/FunctionExpression.cpp
@@ -2,11 +2,12 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
+#include "InputCommon/ControlReference/FunctionExpression.h"
+
+#include <algorithm>
 #include <chrono>
 #include <cmath>
 
-#include "InputCommon/ControlReference/FunctionExpression.h"
-
 namespace ciface
 {
 namespace ExpressionParser