diff --git a/src/Core/Settings.h b/src/Core/Settings.h
index 607be1522db..6fed70a9303 100644
--- a/src/Core/Settings.h
+++ b/src/Core/Settings.h
@@ -135,7 +135,7 @@ class IColumn;
     M(Bool, allow_suspicious_indices, false, "Reject primary/secondary indexes and sorting keys with identical expressions", 0) \
     M(Bool, compile_expressions, true, "Compile some scalar functions and operators to native code.", 0) \
     M(UInt64, min_count_to_compile_expression, 3, "The number of identical expressions before they are JIT-compiled", 0) \
-    M(Bool, compile_aggregate_expressions, false, "Compile aggregate functions to native code. This feature has a bug and should not be used.", 0) \
+    M(Bool, compile_aggregate_expressions, true, "Compile aggregate functions to native code. This feature has a bug and should not be used.", 0) \
     M(UInt64, min_count_to_compile_aggregate_expression, 3, "The number of identical aggregate expressions before they are JIT-compiled", 0) \
     M(Bool, compile_sort_description, true, "Compile sort description to native code.", 0) \
     M(UInt64, min_count_to_compile_sort_description, 3, "The number of identical sort descriptions before they are JIT-compiled", 0) \