diff --git a/lib/DBIx/Class/InflateColumn/DateTime.pm b/lib/DBIx/Class/InflateColumn/DateTime.pm
index 7abf5acfe..2ab1161e5 100644
--- a/lib/DBIx/Class/InflateColumn/DateTime.pm
+++ b/lib/DBIx/Class/InflateColumn/DateTime.pm
@@ -132,10 +132,10 @@ sub register_column {
   # _ic_dt_method will follow whatever the registration requests
   # thus = instead of ||=
   if ($data_type eq 'timestamp with time zone' || $data_type eq 'timestamptz') {
-    $info->{_ic_dt_method} = 'timestamp_with_timezone';
+    $info->{_ic_dt_method} = 'timestamp_with_time_zone';
   }
   elsif ($data_type eq 'timestamp without time zone') {
-    $info->{_ic_dt_method} = 'timestamp_without_timezone';
+    $info->{_ic_dt_method} = 'timestamp_without_time_zone';
   }
   elsif ($data_type eq 'smalldatetime') {
     $info->{_ic_dt_method} = 'smalldatetime';