1 files changed, 2 insertions, 0 deletions

diff --git a/maths.cpp b/maths.cpp
index ed8948f..107f321 100644
--- a/maths.cpp
+++ b/maths.cpp
@@ -1,5 +1,7 @@
 #include "maths.hpp"
 
+#include <algorithm>
+
 m4f::m4f() {}
 
 m4f::m4f(float d) {