diff --git a/tests/queries/0_stateless/00926_adaptive_index_granularity_collapsing_merge_tree.sql b/tests/queries/0_stateless/00926_adaptive_index_granularity_collapsing_merge_tree.sql
index d4c19cbe8f2..58b266f106f 100644
--- a/tests/queries/0_stateless/00926_adaptive_index_granularity_collapsing_merge_tree.sql
+++ b/tests/queries/0_stateless/00926_adaptive_index_granularity_collapsing_merge_tree.sql
@@ -58,7 +58,7 @@ OPTIMIZE TABLE four_rows_per_granule FINAL;
 
 SELECT COUNT(*) FROM four_rows_per_granule;
 
-SELECT distinct(marks) from system.parts WHERE table = 'four_rows_per_granule' and database=currentDatabase() and active=1;
+SELECT sum(marks) from system.parts WHERE table = 'four_rows_per_granule' and database=currentDatabase() and active=1;
 
 INSERT INTO four_rows_per_granule (p, k, v1, v2, Sign) VALUES ('2018-05-15', 1, 1000, 2000, 1), ('2018-05-16', 2, 3000, 4000, 1), ('2018-05-17', 3, 5000, 6000, 1), ('2018-05-18', 4, 7000, 8000, 1);