diff --git a/bin/confgen/ddns-confgen.c b/bin/confgen/ddns-confgen.c
index 4e2b4a8740..73326329fe 100644
--- a/bin/confgen/ddns-confgen.c
+++ b/bin/confgen/ddns-confgen.c
@@ -44,6 +44,7 @@
 
 #include <dns/keyvalues.h>
 #include <dns/name.h>
+#include <dns/result.h>
 
 #include <dst/dst.h>
 #include <confgen/os.h>