diff --git a/lib/roken/resolve.c b/lib/roken/resolve.c
index b3fc311a9..a90122784 100644
--- a/lib/roken/resolve.c
+++ b/lib/roken/resolve.c
@@ -232,6 +232,11 @@ dns_lookup(char *domain, char *type_name)
     return NULL;
 }
 
+void
+dns_free_data(struct dns_reply *r)
+{
+}
+
 #endif
 
 #ifdef TEST