diff --git a/application/controllers/system/FAS_UDF.php b/application/controllers/system/FAS_UDF.php
index febe266c7..ecaa44393 100644
--- a/application/controllers/system/FAS_UDF.php
+++ b/application/controllers/system/FAS_UDF.php
@@ -31,7 +31,7 @@ class FAS_UDF extends Auth_Controller
 
 		if (isset($person_id) && is_numeric($person_id))
 		{
-			if ($this->PersonModel->hasUDF())
+			if ($this->PersonModel->udfsExistAndDefined())
 			{
 				$personUdfs = $this->PersonModel->getUDFs($person_id);
 				$data['person_id'] = $person_id;
@@ -41,7 +41,7 @@ class FAS_UDF extends Auth_Controller
 
 		if (isset($prestudent_id) && is_numeric($prestudent_id))
 		{
-			if ($this->PrestudentModel->hasUDF())
+			if ($this->PrestudentModel->udfsExistAndDefined())
 			{
 				$prestudentUdfs = $this->PrestudentModel->getUDFs($prestudent_id);
 				$data['prestudent_id'] = $prestudent_id;
diff --git a/application/core/DB_Model.php b/application/core/DB_Model.php
index 0c43a9baf..4e555be6c 100644
--- a/application/core/DB_Model.php
+++ b/application/core/DB_Model.php
@@ -670,6 +670,7 @@ class DB_Model extends CI_Model
 	/**
 	 * Returns all the UDF contained in this table ($dbTable)
 	 * If no UDF are present, an empty array will be returned
+	 * NOTE: only the UDFs that the logged user is allowed to read are loaded by this method
 	 */
 	public function getUDFs($id, $udfName = null)
 	{
@@ -700,9 +701,9 @@ class DB_Model extends CI_Model
 	}
 
 	/**
-	 * Checks if this table has the field udf_values
+	 * Checks if this table has the field udf_values and if there is a UDF definition for this table
 	 */
-	public function hasUDF()
+	public function udfsExistAndDefined()
 	{
 		if ($this->fieldExists(UDFLib::COLUMN_NAME))
 		{
@@ -850,11 +851,11 @@ class DB_Model extends CI_Model
 	{
 		$prepareUDFsWrite = success();
 
-		if ($this->hasUDF())
+		if ($this->udfsExistAndDefined())
 		{
 			if ($id != null)
 			{
-				$prepareUDFsWrite = $this->udflib->prepareUDFsWrite($data, $this->dbTable, $this->getUDFs($id));
+				$prepareUDFsWrite = $this->udflib->prepareUDFsWrite($data, $this->dbTable, $this->_getUDFsNoPerms($id));
 			}
 			else
 			{
@@ -989,4 +990,48 @@ class DB_Model extends CI_Model
 	{
 		if ($this->debugMode) $this->loglib->logDebug($this->db->last_query());
 	}
+
+	/**
+	 * Returns all the UDF contained in this table ($dbTable)
+	 * If no UDF are present, an empty array will be returned
+	 * NOTE: it returns all the UDFs, does _not_ check the permissions
+	 */
+	private function _getUDFsNoPerms($id)
+	{
+		$udfs = array();
+
+		$this->db->select(UDFLib::COLUMN_NAME, true); // get only the UDF column
+
+		// Primary key management
+		$tmpId = $id;
+
+		// Check for composite Primary Key
+		if (is_array($id))
+		{
+			if (isset($id[0]))
+			{
+				$tmpId = $this->_arrayCombine($this->pk, $id);
+			}
+		}
+		elseif ($id != null)
+		{
+			$tmpId = array($this->pk => $id);
+		}
+
+		// Read the record from the table
+		$result = $this->db->get_where($this->dbTable, $tmpId);
+
+		// If was a success and there are data
+		if ($result && count($result->result()) == 1)
+		{
+			// Get the UDF column and decode it from JSON
+			$jsonValues = json_decode($result->result()[0]->{UDFLib::COLUMN_NAME});
+
+			// If the JSON convertion was fine convert the object to an array
+			if ($jsonValues != null) $udfs = get_object_vars($jsonValues);
+		}
+
+		return $udfs;
+	}
 }
+
diff --git a/application/models/crm/Prestudent_model.php b/application/models/crm/Prestudent_model.php
index 52ba4d9f3..a2c00035e 100644
--- a/application/models/crm/Prestudent_model.php
+++ b/application/models/crm/Prestudent_model.php
@@ -291,7 +291,7 @@ class Prestudent_model extends DB_Model
 			$prestudentdata->prestudentstatus = $lastStatusData;
 
 
-			if ($this->hasUDF())
+			if ($this->udfsExistAndDefined())
 			{
 				$prestudentdata->prestudentUdfs = $this->getUDFs($prestudent_id);
 			}