1 files changed, 6 insertions, 1 deletions

diff --git a/src/controller/PageManagementController.php b/src/controller/PageManagementController.php
index 4528810..75967eb 100644
--- a/src/controller/PageManagementController.php
+++ b/src/controller/PageManagementController.php
@@ -286,7 +286,12 @@ class PageManagementController
                                 $director->getNode()->getNodeData()->setPresentation($presentation);
 
                                 $entityManager->flush();
-                                echo json_encode(['success' => true, 'presentation' => $json['presentation'], 'cols_min_width' => $director->getNode()->getNodeData()->getColsMinWidth()]);
+
+                                $response_data = ['success' => true, 'presentation' => $json['presentation']];
+                                if($json['presentation'] === 'grid'){
+                                        $response_data['cols_min_width'] = $director->getNode()->getNodeData()->getColsMinWidth();
+                                }
+                                echo json_encode($response_data);
                         }
                         else{
                                 echo json_encode(['success' => false]);