--- a/user/drbdmon/DrbdMonConsts.h
+++ b/user/drbdmon/DrbdMonConsts.h
@@ -2,6 +2,7 @@
 #define DRBDMONCONSTS_H
 
 #include <string>
+#include <cstdint>
 
 class DrbdMonConsts
 {
--- a/user/drbdmon/terminal/DisplayId.h
+++ b/user/drbdmon/DisplayId.h
@@ -2,6 +2,7 @@
 #define DISPLAYID_H
 
 #include <string>
+#include <cstdint>
 
 class DisplayId
 {