diff --git a/lib/dns/include/dns/zonekey.h b/lib/dns/include/dns/zonekey.h
index dd86fb2e27..d767b59802 100644
--- a/lib/dns/include/dns/zonekey.h
+++ b/lib/dns/include/dns/zonekey.h
@@ -15,13 +15,15 @@
  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: zonekey.h,v 1.2 2001/01/18 02:00:54 bwelling Exp $ */
+/* $Id: zonekey.h,v 1.3 2001/06/01 01:09:10 bwelling Exp $ */
 
 #ifndef DNS_ZONEKEY_H
 #define DNS_ZONEKEY_H 1
 
 #include <isc/lang.h>
 
+#include <dns/types.h>
+
 ISC_LANG_BEGINDECLS
 
 isc_boolean_t