diff --git a/be/src/vec/exec/format/parquet/parquet_column_convert.h b/be/src/vec/exec/format/parquet/parquet_column_convert.h
index 39ee29f663f9ed..1d6cfd63515366 100644
--- a/be/src/vec/exec/format/parquet/parquet_column_convert.h
+++ b/be/src/vec/exec/format/parquet/parquet_column_convert.h
@@ -318,12 +318,13 @@ struct Int96toTimestamp : public ColumnConvert {
         auto& data = static_cast<ColumnVector<UInt64>*>(dst_col.get())->get_data();
 
         for (int i = 0; i < rows; i++) {
-            ParquetInt96 x = ParquetInt96_data[i];
-            auto& num = data[start_idx + i];
-            auto& value = reinterpret_cast<DateV2Value<DateTimeV2ValueType>&>(num);
-            int64_t micros = x.to_timestamp_micros();
-            value.from_unixtime(micros / 1000000, *_convert_params->ctz);
-            value.set_microsecond(micros % 1000000);
+            ParquetInt96 src_cell_data = ParquetInt96_data[i];
+            auto& dst_value =
+                    reinterpret_cast<DateV2Value<DateTimeV2ValueType>&>(data[start_idx + i]);
+
+            int64_t timestamp_with_micros = src_cell_data.to_timestamp_micros();
+            dst_value.from_unixtime(timestamp_with_micros / 1000000, *_convert_params->ctz);
+            dst_value.set_microsecond(timestamp_with_micros % 1000000);
         }
         return Status::OK();
     }
diff --git a/be/src/vec/exec/format/parquet/parquet_common.cpp b/be/src/vec/exec/format/parquet/parquet_common.cpp
index cbef2a0f286d48..33e9f11242b46d 100644
--- a/be/src/vec/exec/format/parquet/parquet_common.cpp
+++ b/be/src/vec/exec/format/parquet/parquet_common.cpp
@@ -24,9 +24,9 @@
 
 namespace doris::vectorized {
 
-const uint32_t ParquetInt96::JULIAN_EPOCH_OFFSET_DAYS = 2440588;
-const uint64_t ParquetInt96::MICROS_IN_DAY = 86400000000;
-const uint64_t ParquetInt96::NANOS_PER_MICROSECOND = 1000;
+const int32_t ParquetInt96::JULIAN_EPOCH_OFFSET_DAYS = 2440588;
+const int64_t ParquetInt96::MICROS_IN_DAY = 86400000000;
+const int64_t ParquetInt96::NANOS_PER_MICROSECOND = 1000;
 
 ColumnSelectVector::ColumnSelectVector(const uint8_t* filter_map, size_t filter_map_size,
                                        bool filter_all) {
diff --git a/be/src/vec/exec/format/parquet/parquet_common.h b/be/src/vec/exec/format/parquet/parquet_common.h
index 6667ab2c101637..2cf745882ee139 100644
--- a/be/src/vec/exec/format/parquet/parquet_common.h
+++ b/be/src/vec/exec/format/parquet/parquet_common.h
@@ -48,10 +48,10 @@ struct RowRange {
 
 #pragma pack(1)
 struct ParquetInt96 {
-    uint64_t lo; // time of nanoseconds in a day
-    uint32_t hi; // days from julian epoch
+    int64_t lo; // time of nanoseconds in a day
+    int32_t hi; // days from julian epoch
 
-    inline uint64_t to_timestamp_micros() const {
+    inline int64_t to_timestamp_micros() const {
         return (hi - JULIAN_EPOCH_OFFSET_DAYS) * MICROS_IN_DAY + lo / NANOS_PER_MICROSECOND;
     }
     inline __int128 to_int128() const {
@@ -60,9 +60,9 @@ struct ParquetInt96 {
         return ans;
     }
 
-    static const uint32_t JULIAN_EPOCH_OFFSET_DAYS;
-    static const uint64_t MICROS_IN_DAY;
-    static const uint64_t NANOS_PER_MICROSECOND;
+    static const int32_t JULIAN_EPOCH_OFFSET_DAYS;
+    static const int64_t MICROS_IN_DAY;
+    static const int64_t NANOS_PER_MICROSECOND;
 };
 #pragma pack()
 static_assert(sizeof(ParquetInt96) == 12, "The size of ParquetInt96 is not 12.");