diff --git a/dbms/src/Interpreters/Aggregator.cpp b/dbms/src/Interpreters/Aggregator.cpp
index 6d5d24ebda9..5571d0fdcfd 100644
--- a/dbms/src/Interpreters/Aggregator.cpp
+++ b/dbms/src/Interpreters/Aggregator.cpp
@@ -1332,7 +1332,7 @@ inline void Aggregator::insertAggregatesIntoColumns(
     for (size_t destroy_i = 0; destroy_i < params.aggregates_size; ++destroy_i)
     {
         /// If ownership was not transferred to ColumnAggregateFunction.
-        if (destroy_i >= insert_i || !aggregate_functions[destroy_i]->isState()))
+        if (destroy_i >= insert_i || !aggregate_functions[destroy_i]->isState())
             aggregate_functions[destroy_i]->destroy(mapped + offsets_of_aggregate_states[destroy_i]);
     }