diff --git a/CHANGELOG.md b/CHANGELOG.md
index 84371ed..7d31700 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Change Log
 
+## [1.0.1](https://github.com/UndefinedOffset/SortableGridField/tree/1.0.1) (2018-03-01)
+[Full Changelog](https://github.com/UndefinedOffset/SortableGridField/compare/2.0.2...1.0.1)
+
 ## [1.0.0](https://github.com/UndefinedOffset/SortableGridField/tree/1.0.0) (2017-10-27)
 [Full Changelog](https://github.com/UndefinedOffset/SortableGridField/compare/0.6.10...1.0.0)
 
@@ -303,7 +306,3 @@
 - German Translation [\#9](https://github.com/UndefinedOffset/SortableGridField/pull/9) ([PatrickElsing](https://github.com/PatrickElsing))
 - Update lang/en.yml [\#8](https://github.com/UndefinedOffset/SortableGridField/pull/8) ([PatrickElsing](https://github.com/PatrickElsing))
 - Renamed the Items array that is sent in post [\#7](https://github.com/UndefinedOffset/SortableGridField/pull/7) ([sheadawson](https://github.com/sheadawson))
-
-
-
-\* *This Change Log was automatically generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*
\ No newline at end of file
diff --git a/code/forms/GridFieldSortableRows.php b/code/forms/GridFieldSortableRows.php
index e8364ca..e0e6866 100644
--- a/code/forms/GridFieldSortableRows.php
+++ b/code/forms/GridFieldSortableRows.php
@@ -189,11 +189,11 @@ class GridFieldSortableRows implements GridField_HTMLProvider, GridField_ActionP
 		if (!$many_many) {
 			$sng=singleton($gridField->getModelClass());
 			$fieldType=$sng->db($this->sortColumn);
-			if(!$fieldType || !(strtolower($fieldType) == 'int' || is_subclass_of($fieldType, 'Int'))) {
+			if(!$fieldType || !(strtolower($fieldType) == 'dbint' || is_subclass_of($fieldType, 'DBInt'))) {
 				if(is_array($fieldType)) {
 					user_error('Sort column '.$this->sortColumn.' could not be found in '.$gridField->getModelClass().'\'s ancestry', E_USER_ERROR);
 				}else {
-					user_error('Sort column '.$this->sortColumn.' must be an Int, column is of type '.$fieldType, E_USER_ERROR);
+					user_error('Sort column '.$this->sortColumn.' must be an instance of DBInt, column is of type '.$fieldType, E_USER_ERROR);
 				}
 				
 				exit;
@@ -212,7 +212,7 @@ class GridFieldSortableRows implements GridField_HTMLProvider, GridField_ActionP
 				list($parentClass, $componentClass, $parentField, $componentField, $table) = $owner->many_many((!empty($this->custom_relation_name) ? $this->custom_relation_name:$gridField->getName()));
 				$extraFields=$owner->many_many_extraFields((!empty($this->custom_relation_name) ? $this->custom_relation_name:$gridField->getName()));
 				
-				if(!$extraFields || !array_key_exists($this->sortColumn, $extraFields) || !($extraFields[$this->sortColumn]=='Int' || is_subclass_of('Int', $extraFields[$this->sortColumn]))) {
+				if(!$extraFields || !array_key_exists($this->sortColumn, $extraFields) || !(strtolower($extraFields[$this->sortColumn])=='dbint' || is_subclass_of('DBInt', $extraFields[$this->sortColumn]))) {
 					user_error('Sort column '.$this->sortColumn.' must be an Int, column is of type '.$extraFields[$this->sortColumn], E_USER_ERROR);
 					exit;
 				}