diff --git a/sqlalchemy_utils/types/range.py b/sqlalchemy_utils/types/range.py
index f54ba03..1318551 100644
--- a/sqlalchemy_utils/types/range.py
+++ b/sqlalchemy_utils/types/range.py
@@ -182,4 +182,5 @@ class NumericRangeType(RangeType):
 
 
 class DateTimeRangeType(RangeType):
-    impl = TIMESTAMPRANGE
+    impl = TSRANGE
+    interval_class = intervals.DateTimeRange