diff --git a/extern/quadriflow/src/loader.cpp b/extern/quadriflow/src/loader.cpp
index a1596eeff9ad45e8d21c05789bf78eda9aa85c42..5b9d717db71f24f0884c066f0212546e4bd3d7eb 100644
--- a/extern/quadriflow/src/loader.cpp
+++ b/extern/quadriflow/src/loader.cpp
@@ -8,6 +8,7 @@
 
 #include "loader.hpp"
 
+#include <cstdint>
 #include <fstream>
 #include <unordered_map>