diff --git a/ydb/library/yql/udfs/common/clickhouse/client/base/common/wide_integer_to_string.h b/ydb/library/yql/udfs/common/clickhouse/client/base/common/wide_integer_to_string.h
index 8b794fe9bcb2..df1a372ecc1c 100644
--- a/ydb/library/yql/udfs/common/clickhouse/client/base/common/wide_integer_to_string.h
+++ b/ydb/library/yql/udfs/common/clickhouse/client/base/common/wide_integer_to_string.h
@@ -64,6 +64,6 @@ struct fmt::formatter<wide::integer<Bits, Signed>>
     template <typename FormatContext>
     auto format(const wide::integer<Bits, Signed> & value, FormatContext & ctx)
     {
-        return format_to(ctx.out(), "{}", to_string(value));
+        return fmt::format_to(ctx.out(), "{}", to_string(value));
     }
 };
diff --git a/ydb/library/yql/udfs/common/clickhouse/client/src/Common/formatReadable.h b/ydb/library/yql/udfs/common/clickhouse/client/src/Common/formatReadable.h
index cf1dd0f6980b..c5361ae62adb 100644
--- a/ydb/library/yql/udfs/common/clickhouse/client/src/Common/formatReadable.h
+++ b/ydb/library/yql/udfs/common/clickhouse/client/src/Common/formatReadable.h
@@ -51,6 +51,6 @@ struct fmt::formatter<ReadableSize>
     template <typename FormatContext>
     auto format(const ReadableSize & size, FormatContext & ctx)
     {
-        return format_to(ctx.out(), "{}", NDB::formatReadableSizeWithBinarySuffix(size.value));
+        return fmt::format_to(ctx.out(), "{}", NDB::formatReadableSizeWithBinarySuffix(size.value));
     }
 };