diff --git a/manager2/src/app/tps/tps.component.html b/manager2/src/app/tps/tps.component.html
index 30542c1b..e1414224 100644
--- a/manager2/src/app/tps/tps.component.html
+++ b/manager2/src/app/tps/tps.component.html
@@ -119,7 +119,7 @@ <h3>Extend TP {{ selectedEvent ? selectedEvent.name : '' }}</h3>
                 </div>
                 <div class="modal-footer">
                 <div class="form-group row col-sm-12">
-                    <button type="button" class="p-button p-button-sm p-button-primary" (click)="extend_reservation(new_expire)" data-dismiss="modal">Extend</button>
+                    <button type="button" class="p-button p-button-sm p-button-primary" (click)="extend_reservation()" data-dismiss="modal">Extend</button>
                     <button type="button" class="p-button p-button-sm p-button-secondary" data-dismiss="modal">Cancel</button>
                 </div>
                 </div>
diff --git a/manager2/src/app/tps/tps.component.ts b/manager2/src/app/tps/tps.component.ts
index c4ddd05e..2df2ad8f 100644
--- a/manager2/src/app/tps/tps.component.ts
+++ b/manager2/src/app/tps/tps.component.ts
@@ -180,7 +180,7 @@ export class TpsComponent implements OnInit {
         this.listEvents();
     }
 
-    extend_reservation(new_expire: Date) {
+    extend_reservation() {
         this.msg = '';
         this.errmsg = '';
         if (new Date(this.new_expire).getTime() < this.selectedEvent.end) {
diff --git a/routes/tp.js b/routes/tp.js
index dfa88b02..96c71759 100644
--- a/routes/tp.js
+++ b/routes/tp.js
@@ -299,7 +299,6 @@ router.put('/tp/:id/reserve/now', async function(req, res) {
         res.status(403).send({message: 'Not allowed to reserve now this reservation'});
         return;
     }
-
     if (reservation.to < new Date().getTime()) {
         res.status(403).send({message: 'End date can not be in the past'});
         return;
@@ -324,6 +323,10 @@ router.put('/tp/:id/reserve/extend', async function(req, res) {
         res.status(403).send({message: 'Not authorized'});
         return;
     }
+    if(! req.body.to) {
+        res.status(403).send({message: 'No input'});
+        return;
+    }
     if(! sansrv.sanitizeAll([req.params.id])) {
         res.status(403).send({message: 'Invalid parameters'});
         return;
@@ -351,24 +354,16 @@ router.put('/tp/:id/reserve/extend', async function(req, res) {
 
     let reservation_id = ObjectID.createFromHexString(req.params.id);
 
-    let filter = {};
-    if(isadmin) {
-        filter = {_id: reservation_id};
-    }
-    else{
-        filter = {_id: reservation_id, owner: user.uid};
-    }
+    let filter = {_id: reservation_id};
     let reservation = await dbsrv.mongo_reservations().findOne(filter);
     if(!reservation){
-        res.status(403).send({message: 'Not allowed to extend this reservation'});
+        res.status(404).send({message: 'Reservation does not exist'});
         return;
     }
-
     if (req.body.to < reservation.to) {
         res.status(403).send({message: 'Extended end date must be after current end date'});
         return;
     }
-
     if (req.body.to < new Date().getTime()) {
         res.status(403).send({message: 'Extended end date can not be in the past'});
         return;