diff --git a/lib/ns/client.c b/lib/ns/client.c
index 1d3b62a5eb..3b7240b6bd 100644
--- a/lib/ns/client.c
+++ b/lib/ns/client.c
@@ -3974,7 +3974,7 @@ ns_client_dumprecursing(FILE *f, ns_clientmgr_t *manager) {
 		}
 		UNLOCK(&client->query.fetchlock);
 		fprintf(f, "; client %s%s%s: id %u '%s/%s/%s'%s%s "
-			"requesttime %d\n", peerbuf, sep, name,
+			"requesttime %u\n", peerbuf, sep, name,
 			client->message->id, namebuf, typebuf, classbuf,
 			origfor, original,
 			isc_time_seconds(&client->requesttime));
diff --git a/lib/ns/query.c b/lib/ns/query.c
index d1b2fcb6eb..e4d56917a9 100644
--- a/lib/ns/query.c
+++ b/lib/ns/query.c
@@ -5072,7 +5072,7 @@ query_trace(query_ctx_t *qctx) {
 		snprintf(qbuf, sizeof(qbuf), "<unset>");
 
 	snprintf(mbuf, sizeof(mbuf) - 1,
-		 "client attr:0x%x, query attr:0x%X, restarts:%d, "
+		 "client attr:0x%x, query attr:0x%X, restarts:%u, "
 		 "origqname:%s, timer:%d, authdb:%d, referral:%d",
 		 qctx->client->attributes,
 		 qctx->client->query.attributes,