diff --git a/test/t/019_hnsw_filtering.pl b/test/t/019_hnsw_filtering.pl
index d7cbfda..fb7b3a6 100644
--- a/test/t/019_hnsw_filtering.pl
+++ b/test/t/019_hnsw_filtering.pl
@@ -88,7 +88,7 @@ $node->safe_psql("postgres", "CREATE INDEX ON tst USING hnsw (v vector_l2_ops, c
 test_recall(0.99, '<->');
 
 # Test vacuum
-$node->safe_psql("postgres", "DELETE FROM tst WHERE c > 50;");
+$node->safe_psql("postgres", "DELETE FROM tst WHERE c > 5;");
 $node->safe_psql("postgres", "VACUUM tst;");
 
 # Test columns