diff --git a/src/DataTypes/getLeastSupertype.cpp b/src/DataTypes/getLeastSupertype.cpp
index 33b40abdd47..a950d18b50a 100644
--- a/src/DataTypes/getLeastSupertype.cpp
+++ b/src/DataTypes/getLeastSupertype.cpp
@@ -308,7 +308,7 @@ DataTypePtr getLeastSupertype(const DataTypes & types)
                 if (const auto * date_time64_type = typeid_cast<const DataTypeDateTime64 *>(type.get()))
                 {
                     const auto scale = date_time64_type->getScale();
-                    if (scale > max_scale)
+                    if (scale >= max_scale)
                     {
                         max_scale_date_time_index = i;
                         max_scale = scale;
diff --git a/tests/queries/0_stateless/01925_date_date_time_comparison.sql b/tests/queries/0_stateless/01925_date_date_time_comparison.sql
index 99c67816a42..13e856384d2 100644
--- a/tests/queries/0_stateless/01925_date_date_time_comparison.sql
+++ b/tests/queries/0_stateless/01925_date_date_time_comparison.sql
@@ -1,2 +1,2 @@
 SELECT toDate('2000-01-01') < toDateTime('2000-01-01 00:00:01', 'Europe/Moscow');
-SELECT toDate('2000-01-01') < toDateTime64('2000-01-01 00:00:01', 5, 'Europe/Moscow');
+SELECT toDate('2000-01-01') < toDateTime64('2000-01-01 00:00:01', 0, 'Europe/Moscow');