diff --git a/CHANGES b/CHANGES
index b2771c7add..1bf7e4edc2 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+4715.	[bug]		TreeMemMax was mis-identified as a second HeapMemMax
+			in the Json cache statistics. [RT #45980]
+
 4714.	[port]		openbsd/libressl: add support for building with
 			--enable-openssl-hash. [RT #45982]
 
diff --git a/lib/dns/cache.c b/lib/dns/cache.c
index 10e2331520..4f234e2b61 100644
--- a/lib/dns/cache.c
+++ b/lib/dns/cache.c
@@ -1581,7 +1581,7 @@ dns_cache_renderjson(dns_cache_t *cache, json_object *cstats) {
 
 	obj = json_object_new_int64(isc_mem_maxinuse(cache->mctx));
 	CHECKMEM(obj);
-	json_object_object_add(cstats, "HeapMemMax", obj);
+	json_object_object_add(cstats, "TreeMemMax", obj);
 
 	obj = json_object_new_int64(isc_mem_total(cache->hmctx));
 	CHECKMEM(obj);