diff --git a/pdns/credentials.hh b/pdns/credentials.hh
index 08010a74fd56..042ddb596957 100644
--- a/pdns/credentials.hh
+++ b/pdns/credentials.hh
@@ -21,7 +21,7 @@
  */
 #pragma once
 
-#include <memory>
+#include <cstdint>
 #include <string>
 
 class SensitiveData