diff --git a/wrap/gui/trackmode.cpp b/wrap/gui/trackmode.cpp
index d21a6259..c5c7da63 100644
--- a/wrap/gui/trackmode.cpp
+++ b/wrap/gui/trackmode.cpp
@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.28  2008/02/24 18:05:08  ponchio
+Should work as before. I didn't test cylinder and other exotic modes.
+
 Revision 1.27  2008/02/24 14:37:00  ponchio
 Restored trackball functionality. Not very much tested, and code will need some
 cleanup.
@@ -299,7 +302,8 @@ void CylinderMode::Apply (Trackball * tb, Point3f new_point)
   if(snap>0.0){
     angle = ((angle<0)?-1:1)* floor((((angle<0)?-angle:angle)/snap)+0.5)*snap;
   }
-  tb->track.rot = tb->last_track.rot * Quaternionf (angle,axis.Direction());
+//  tb->track.rot = tb->last_track.rot * Quaternionf (angle,axis.Direction());
+  tb->track.rot = Quaternionf (-angle,axis.Direction()) * tb->last_track.rot;
 }
 
 void CylinderMode::Draw(Trackball * tb){