diff --git a/module/zfs/dmu_objset.c b/module/zfs/dmu_objset.c
index 133f678de..c19ebf424 100644
--- a/module/zfs/dmu_objset.c
+++ b/module/zfs/dmu_objset.c
@@ -1128,6 +1128,7 @@ dmu_objset_create_impl_dnstats(spa_t *spa, dsl_dataset_t *ds, blkptr_t *bp,
 			    OBJSET_FLAG_USEROBJACCOUNTING_COMPLETE;
 		}
 		if (dmu_objset_projectquota_enabled(os)) {
+			ASSERT3P(ds, !=, NULL);
 			ds->ds_feature_activation[
 			    SPA_FEATURE_PROJECT_QUOTA] = (void *)B_TRUE;
 			os->os_phys->os_flags |=