diff --git a/CHANGES b/CHANGES
index f3b6a3c9c7..c28d3f6fae 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+4554.	[bug]		Remove double unlock in dns_dispatchmgr_setudp.
+			[RT #44336]
+
 4553.	[bug]		Named could deadlock there were multiple changes to
 			NSEC/NSEC3 parameters for a zone being processed at
 			the same time. [RT #42770]
diff --git a/lib/dns/dispatch.c b/lib/dns/dispatch.c
index 383b2a4287..4a7e2d478d 100644
--- a/lib/dns/dispatch.c
+++ b/lib/dns/dispatch.c
@@ -2077,10 +2077,9 @@ dns_dispatchmgr_setudp(dns_dispatchmgr_t *mgr,
 	}
 	result = isc_mempool_create(mgr->mctx, sizeof(dispsocket_t),
 				    &mgr->spool);
-	if (result != ISC_R_SUCCESS) {
-		UNLOCK(&mgr->buffer_lock);
+	if (result != ISC_R_SUCCESS)
 		goto cleanup;
-	}
+
 	isc_mempool_setname(mgr->spool, "dispmgr_spool");
 	isc_mempool_setmaxalloc(mgr->spool, maxrequests);
 	isc_mempool_setfreemax(mgr->spool, maxrequests);