diff --git a/lib/dns/adb.c b/lib/dns/adb.c
index bcbc37a450..bd3208cd8c 100644
--- a/lib/dns/adb.c
+++ b/lib/dns/adb.c
@@ -1004,7 +1004,7 @@ destroy(dns_adb_t *adb)
  */
 
 isc_result_t
-dns_adb_create(isc_mem_t *mem, dns_view_t *view, isc_timermgr_t *taskmgr,
+dns_adb_create(isc_mem_t *mem, dns_view_t *view, isc_timermgr_t *timermgr,
 	       isc_taskmgr_t *taskmgr, dns_adb_t **newadb)
 {
 	dns_adb_t *adb;
diff --git a/lib/dns/include/dns/adb.h b/lib/dns/include/dns/adb.h
index 071775c7b6..07987917b4 100644
--- a/lib/dns/include/dns/adb.h
+++ b/lib/dns/include/dns/adb.h
@@ -186,7 +186,7 @@ struct dns_adbaddrinfo {
 
 isc_result_t
 dns_adb_create(isc_mem_t *mem, dns_view_t *view, isc_timermgr_t *tmgr,
-	       dns_adb_t **newadb);
+	       isc_taskmgr_t *taskmgr, dns_adb_t **newadb);
 /*
  * Create a new ADB.
  *