diff --git a/src/Graphics/Font.cpp b/src/Graphics/Font.cpp
index c223393..51b52a9 100644
--- a/src/Graphics/Font.cpp
+++ b/src/Graphics/Font.cpp
@@ -7,6 +7,7 @@
 #include <utility>
 #include <fstream>
 #include <iostream>
+#include <sstream>
 
 using json = nlohmann::json;