diff --git a/pps_ws/src/d_fall_pps/GUI_Qt/CrazyFlyGUI/src/mainguiwindow.cpp b/pps_ws/src/d_fall_pps/GUI_Qt/CrazyFlyGUI/src/mainguiwindow.cpp
index 2f790f7e41b589cb8d2058b027963b71ee6f91b5..32e7dc0209d9d661caa42aa7f83954f416725987 100755
--- a/pps_ws/src/d_fall_pps/GUI_Qt/CrazyFlyGUI/src/mainguiwindow.cpp
+++ b/pps_ws/src/d_fall_pps/GUI_Qt/CrazyFlyGUI/src/mainguiwindow.cpp
@@ -871,7 +871,7 @@ void MainGUIWindow::on_save_in_DB_button_clicked()
                 tmp_entry.crazyflieContext.localArea.ymax = y_max * FROM_UNITS_TO_METERS;
 
                 tmp_entry.crazyflieContext.localArea.zmin = -0.2;
-                tmp_entry.crazyflieContext.localArea.zmax = 1.2;
+                tmp_entry.crazyflieContext.localArea.zmax = 2.2;
             }
         }
         tmp_db.crazyflieEntries.push_back(tmp_entry);
diff --git a/pps_ws/src/d_fall_pps/GUI_Qt/CrazyFlyGUI/src/rosNodeThread_for_managerGUI.cpp b/pps_ws/src/d_fall_pps/GUI_Qt/CrazyFlyGUI/src/rosNodeThread_for_managerGUI.cpp
index cae1ed0efaae8a4b3cdc13b41e838080ab6eb344..ab9fd2c53bea71d10599a389b86152944b4823b5 100644
--- a/pps_ws/src/d_fall_pps/GUI_Qt/CrazyFlyGUI/src/rosNodeThread_for_managerGUI.cpp
+++ b/pps_ws/src/d_fall_pps/GUI_Qt/CrazyFlyGUI/src/rosNodeThread_for_managerGUI.cpp
@@ -75,12 +75,14 @@ bool rosNodeThread::init()
     ros::Time::init();
     ros::NodeHandle nh("~");
 
-    m_vicon_subscriber = nh.subscribe("/ViconDataPublisher/ViconData", 100, &rosNodeThread::messageCallback, this);
+    ros::NodeHandle nodeHandle_dfall_root("/dfall");
+
+    m_vicon_subscriber = nodeHandle_dfall_root.subscribe("ViconDataPublisher/ViconData", 100, &rosNodeThread::messageCallback, this);
 
     // clients for db services:
-    m_read_db_client = nh.serviceClient<CMRead>("/CentralManagerService/Read", false);
-    m_update_db_client = nh.serviceClient<CMUpdate>("/CentralManagerService/Update", false);
-    m_command_db_client = nh.serviceClient<CMCommand>("/CentralManagerService/Command", false);
+    m_read_db_client = nodeHandle_dfall_root.serviceClient<CMRead>("CentralManagerService/Read", false);
+    m_update_db_client = nodeHandle_dfall_root.serviceClient<CMUpdate>("CentralManagerService/Update", false);
+    m_command_db_client = nodeHandle_dfall_root.serviceClient<CMCommand>("CentralManagerService/Command", false);
 
     m_pThread->start();
     return true;