diff --git a/module/zfs/dmu_zfetch.c b/module/zfs/dmu_zfetch.c
index 4a323fa990..a26b0d7399 100644
--- a/module/zfs/dmu_zfetch.c
+++ b/module/zfs/dmu_zfetch.c
@@ -159,6 +159,8 @@ static void
 dmu_zfetch_stream_fini(zstream_t *zs)
 {
 	ASSERT(!list_link_active(&zs->zs_node));
+	zfs_refcount_destroy(&zs->zs_callers);
+	zfs_refcount_destroy(&zs->zs_refs);
 	kmem_free(zs, sizeof (*zs));
 }