diff --git a/core/model/DataObject.php b/core/model/DataObject.php
index 036259a83..a87422459 100644
--- a/core/model/DataObject.php
+++ b/core/model/DataObject.php
@@ -265,13 +265,13 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
 					// MSSQLDatabase::date() uses datetime for the data type for "Date" and "SSDatetime"
 					switch($this->db($k)) {
 						case "Date":
-							$v = preg_replace('/([ap]m)$/i', ' \\1', $v);
+							$v = preg_replace('/:[0-9][0-9][0-9]([ap]m)$/i', ' \\1', $v);
 							$record[$k] = date('Y-m-d', strtotime($v));
 							break;
 					
 						case "Datetime":
 						case "SSDatetime":
-						$v = preg_replace('/([ap]m)$/i', ' \\1', $v);
+							$v = preg_replace('/:[0-9][0-9][0-9]([ap]m)$/i', ' \\1', $v);
 							$record[$k] = date('Y-m-d H:i:s', strtotime($v));
 							break;
 					}