diff --git a/Score.cpp b/Score.cpp
index fcd0071..b7afc4b 100644
--- a/Score.cpp
+++ b/Score.cpp
@@ -2,6 +2,7 @@
 #include <SFML/Graphics/RenderTarget.hpp>
 #include <fstream>
 #include <iostream>
+#include <cmath>
 
 static std::string toTwoDigits(int s){
     std::string toReturn;