diff --git a/sw/ground_segment/python/gvf/gvfApp.py b/sw/ground_segment/python/gvf/gvfApp.py
index f5d7f64631..a5170b2699 100644
--- a/sw/ground_segment/python/gvf/gvfApp.py
+++ b/sw/ground_segment/python/gvf/gvfApp.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 import wx
@@ -18,7 +18,7 @@ class MessagesApp(wx.App):
 
 def main():
     if len(sys.argv) != 2:
-        print "Usage: gvfApp id_aircraft"
+        print ("Usage: gvfApp id_aircraft")
         return
     id_ac = int(sys.argv[1])
     application = MessagesApp(0, id_ac)
diff --git a/sw/ground_segment/python/gvf/gvfframe.py b/sw/ground_segment/python/gvf/gvfframe.py
index 00eb36d625..16a5711f64 100644
--- a/sw/ground_segment/python/gvf/gvfframe.py
+++ b/sw/ground_segment/python/gvf/gvfframe.py
@@ -279,7 +279,7 @@ class map2d:
                 a3d.plot([XY[0]], [XY[1]], [altitude], marker='o', markerfacecolor='r', markeredgecolor='r')
                 a3d.plot([traj.wpoint[0]], [traj.wpoint[1]], [traj.wpoint[2]], marker='x', markerfacecolor='r', markeredgecolor='r')
 
-            a3d.axis('equal')
+            #a3d.axis('equal')
             if traj.deltaz < 0:
                 a3d.set_zlim(traj.zo+1.5*traj.deltaz, traj.zo-1.5*traj.deltaz)
             else: