diff --git a/GUI.py b/GUI.py
index b636858..5fa4140 100755
--- a/GUI.py
+++ b/GUI.py
@@ -429,7 +429,10 @@ def draw_map(self):
         plt.style.use('seaborn-whitegrid')
         fig = plt.figure()
         ax = fig.gca(projection='3d')
-        ax.set_aspect("equal")
+
+        # see https://github.com/fabro66/GAST-Net-3DPoseEstimation/issues/51
+        #ax.set_aspect("equal")
+        ax.set_box_aspect([1,1,1])
 
         # Draw a sphere to mimic a planet
         u = np.linspace(0, 2 * np.pi, 100)