diff --git a/dept_groups.php b/dept_groups.php
index 0f31d8349..2e921287d 100644
--- a/dept_groups.php
+++ b/dept_groups.php
@@ -21,7 +21,7 @@
 
 	// Update if form was submitted and action is set
 	if(isset($_POST['action']) && $_POST['action']=="Submit"){
-		$grpMembers=$_POST['chosen'];
+		$grpMembers=!empty($_POST['chosen'])?$_POST['chosen']:array();
 		$dept->AssignContacts($grpMembers);
 	}
 
diff --git a/people_depts.php b/people_depts.php
index 674d908a3..4cd3f4e41 100644
--- a/people_depts.php
+++ b/people_depts.php
@@ -21,7 +21,7 @@
 	
 	// Update if form was submitted and action is set
 	if(isset($_POST['action']) && $_POST['action']=="Submit"){
-		$grpMembers=$_POST['chosen'];
+		$grpMembers=!empty($_POST['chosen'])?$_POST['chosen']:array();
 		$person->AssignDepartments($grpMembers);
 	}
 
diff --git a/project_members.php b/project_members.php
index caad5a502..af16dce55 100644
--- a/project_members.php
+++ b/project_members.php
@@ -30,7 +30,7 @@
 
 	// Update if form was submitted and action is set
 	if(isset($_POST['action']) && $_POST['action']=="Submit"){
-		$grpMembers=$_POST['chosen'];
+		$grpMembers=!empty($_POST['chosen'])?$_POST['chosen']:array();
 		if (( sizeof( $grpMembers ) > 0 ) && isset( $_REQUEST['projectid'] )) {
 			$ProjectID = $_REQUEST['projectid'];
 			ProjectMembership::clearMembership( $ProjectID );