diff --git a/extern/quadriflow/src/loader.cpp b/extern/quadriflow/src/loader.cpp
index a1596eeff9a..5b9d717db71 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>