diff --git a/visu.py b/visu.py
index 07928c2..63a75e9 100644
--- a/visu.py
+++ b/visu.py
@@ -50,7 +50,7 @@ def camera_from_distance(pl,bounds,viewvec,dist,
                 zoom=zoom,
                 is_focus_relative=False)
 
-def camera_from_position(pl,bounds,viewvec,position,
+def camera_from_position(pl,bounds,position,
                             focus=(0.5,0.5,0.5),
                             viewup=(0,1,0),
                             zoom=1.0,