diff --git a/src/Font.cpp b/src/Font.cpp
index 442c3446..d03102ce 100644
--- a/src/Font.cpp
+++ b/src/Font.cpp
@@ -1,5 +1,6 @@
 #include "Font.h"
 
+#include <math.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>