diff --git a/lib/functions/formfields/bool/function.getFormFieldDataBool.php b/lib/functions/formfields/bool/function.getFormFieldDataBool.php
index 73b435b8..994619e2 100644
--- a/lib/functions/formfields/bool/function.getFormFieldDataBool.php
+++ b/lib/functions/formfields/bool/function.getFormFieldDataBool.php
@@ -17,7 +17,7 @@
  * @version    $Id$
  */
 
-function getFormFieldDataBool($fieldname, $fielddata, $input)
+function getFormFieldDataBool($fieldname, $fielddata, &$input)
 {
 	if(isset($input[$fieldname]) && ($input[$fieldname] === '1' || $input[$fieldname] === 1 || $input[$fieldname] === true || strtolower($input[$fieldname]) === 'yes' || strtolower($input[$fieldname]) === 'ja'))
 	{
diff --git a/lib/functions/formfields/function.getFormFieldData.php b/lib/functions/formfields/function.getFormFieldData.php
index b2475c88..920fc6e8 100644
--- a/lib/functions/formfields/function.getFormFieldData.php
+++ b/lib/functions/formfields/function.getFormFieldData.php
@@ -21,7 +21,7 @@ function getFormFieldData($fieldname, $fielddata, &$input)
 {
 	if(is_array($fielddata) && isset($fielddata['type']) && $fielddata['type'] != '' && function_exists('getFormFieldData' . ucfirst($fielddata['type'])))
 	{
-		$newfieldvalue = call_user_func('getFormFieldData' . ucfirst($fielddata['type']), $fieldname, $fielddata, &$input);
+		$newfieldvalue = call_user_func('getFormFieldData' . ucfirst($fielddata['type']), $fieldname, $fielddata, $input);
 	}
 	else
 	{
diff --git a/lib/functions/formfields/int/function.getFormFieldDataInt.php b/lib/functions/formfields/int/function.getFormFieldDataInt.php
index 156f72a9..80d9fcf3 100644
--- a/lib/functions/formfields/int/function.getFormFieldDataInt.php
+++ b/lib/functions/formfields/int/function.getFormFieldDataInt.php
@@ -17,7 +17,7 @@
  * @version    $Id$
  */
 
-function getFormFieldDataInt($fieldname, $fielddata, $input)
+function getFormFieldDataInt($fieldname, $fielddata, &$input)
 {
 	if(isset($input[$fieldname]))
 	{
diff --git a/lib/functions/formfields/option/function.getFormFieldDataOption.php b/lib/functions/formfields/option/function.getFormFieldDataOption.php
index c08109ea..c2d742f4 100644
--- a/lib/functions/formfields/option/function.getFormFieldDataOption.php
+++ b/lib/functions/formfields/option/function.getFormFieldDataOption.php
@@ -17,7 +17,7 @@
  * @version    $Id$
  */
 
-function getFormFieldDataOption($fieldname, $fielddata, $input)
+function getFormFieldDataOption($fieldname, $fielddata, &$input)
 {
 	if(isset($input[$fieldname]))
 	{