diff --git a/source/shared_lib/sources/graphics/font.cpp b/source/shared_lib/sources/graphics/font.cpp
index 094b89c56..7e4902a30 100644
--- a/source/shared_lib/sources/graphics/font.cpp
+++ b/source/shared_lib/sources/graphics/font.cpp
@@ -11,6 +11,7 @@
 
 #include "font.h"
 #include <stdexcept>
+#include <string.h>
 #include "conversion.h"
 
 #ifdef USE_FTGL