diff --git a/adriconf/Utils/PCIDatabaseQueryInterface.h b/adriconf/Utils/PCIDatabaseQueryInterface.h
index 635f27e..5dbe3f0 100644
--- a/adriconf/Utils/PCIDatabaseQueryInterface.h
+++ b/adriconf/Utils/PCIDatabaseQueryInterface.h
@@ -1,6 +1,7 @@
 #ifndef ADRICONF_PCIDATABASEQUERYINTERFACE_H
 #define ADRICONF_PCIDATABASEQUERYINTERFACE_H
 
+#include <cstdint>
 #include <glibmm/ustring.h>
 
 class PCIDatabaseQueryInterface {