diff --git a/YupanaActivity.py b/YupanaActivity.py
index 591426a..2ebd4c1 100644
--- a/YupanaActivity.py
+++ b/YupanaActivity.py
@@ -50,7 +50,7 @@ def __init__(self, handle):
         """ Initialize the toolbars and the yupana """
         try:
             super(YupanaActivity, self).__init__(handle)
-        except dbus.exceptions.DBusException, e:
+        except dbus.exceptions.DBusException as e:
             _logger.error(str(e))
 
         self.nick = profile.get_nick_name()
diff --git a/activity/activity.info b/activity/activity.info
index 8e6a97b..02ab268 100644
--- a/activity/activity.info
+++ b/activity/activity.info
@@ -3,7 +3,7 @@ name = Yupana
 activity_version = 17
 license = GPLv3
 bundle_id = org.sugarlabs.YupanaActivity
-exec = sugar-activity YupanaActivity.YupanaActivity
+exec = sugar-activity3 YupanaActivity.YupanaActivity
 icon = activity-yupana
 show_launcher = yes
 summary = Incan calculator
diff --git a/sprites.py b/sprites.py
index d1a4562..600c187 100644
--- a/sprites.py
+++ b/sprites.py
@@ -347,7 +347,7 @@ def draw(self, cr=None):
                              self.rect[3])
                 cr.fill()
             else:
-                print 'sprite.draw: source not a pixbuf (%s)' % (type(img))
+                print('sprite.draw: source not a pixbuf (%s)' % (type(img)))
         if len(self.labels) > 0:
             self.draw_label(cr)
 
@@ -459,5 +459,5 @@ def get_pixel(self, pos, i=0):
             else:
                 return(-1, -1, -1, -1)
         except IndexError:
-            print "Index Error: %d %d" % (len(array), offset)
+            print("Index Error: %d %d" % (len(array), offset))
             return(-1, -1, -1, -1)
diff --git a/utils.py b/utils.py
index 81a76f8..6db1469 100644
--- a/utils.py
+++ b/utils.py
@@ -10,7 +10,7 @@
 # Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA
 
 
-from StringIO import StringIO
+from io import StringIO
 import json
 json.dumps
 from json import load as jload
diff --git a/yupana.py b/yupana.py
index 88920e8..c944aae 100644
--- a/yupana.py
+++ b/yupana.py
@@ -249,7 +249,7 @@ def _set_label(self, string):
 
     def _button_press_cb(self, win, event):
         win.grab_focus()
-        x, y = map(int, event.get_coords())
+        x, y = list(map(int, event.get_coords()))
 
         spr = self._sprites.find_sprite((x, y))
         if spr == None:
@@ -522,5 +522,5 @@ def svg_str_to_pixbuf(svg_string):
         pixbuf = pl.get_pixbuf()
         return pixbuf
     except:
-        print svg_string
+        print(svg_string)
         return None