diff --git a/src/sugar3/activity/activity.py b/src/sugar3/activity/activity.py
index 6052cdd1..c84ba395 100644
--- a/src/sugar3/activity/activity.py
+++ b/src/sugar3/activity/activity.py
@@ -83,7 +83,7 @@ from sugar3.graphics.icon import Icon
 from sugar3.datastore import datastore
 from gi.repository import SugarExt
 
-_ = lambda msg: gettext.dgettext('sugar-toolkit', msg)
+_ = lambda msg: gettext.dgettext('sugar-toolkit-gtk3', msg)
 
 SCOPE_PRIVATE = 'private'
 SCOPE_INVITE_ONLY = 'invite'  # shouldn't be shown in UI, it's implicit
diff --git a/src/sugar3/activity/widgets.py b/src/sugar3/activity/widgets.py
index 1bd9d340..b5ee97eb 100644
--- a/src/sugar3/activity/widgets.py
+++ b/src/sugar3/activity/widgets.py
@@ -33,7 +33,7 @@ from sugar3.graphics import style
 from sugar3.graphics.palettemenu import PaletteMenuBox
 
 
-_ = lambda msg: gettext.dgettext('sugar-toolkit', msg)
+_ = lambda msg: gettext.dgettext('sugar-toolkit-gtk3', msg)
 
 
 def _create_activity_icon(metadata):
diff --git a/src/sugar3/graphics/alert.py b/src/sugar3/graphics/alert.py
index d1dc79b6..bdc272b7 100644
--- a/src/sugar3/graphics/alert.py
+++ b/src/sugar3/graphics/alert.py
@@ -56,7 +56,7 @@ from sugar3.graphics import style
 from sugar3.graphics.icon import Icon
 
 
-_ = lambda msg: gettext.dgettext('sugar-toolkit', msg)
+_ = lambda msg: gettext.dgettext('sugar-toolkit-gtk3', msg)
 
 
 class Alert(Gtk.EventBox):
diff --git a/src/sugar3/graphics/colorbutton.py b/src/sugar3/graphics/colorbutton.py
index 1504bbd4..5092d2a2 100644
--- a/src/sugar3/graphics/colorbutton.py
+++ b/src/sugar3/graphics/colorbutton.py
@@ -29,7 +29,7 @@ from sugar3.graphics.icon import Icon
 from sugar3.graphics.palette import Palette, ToolInvoker, WidgetInvoker
 
 
-_ = lambda msg: gettext.dgettext('sugar-toolkit', msg)
+_ = lambda msg: gettext.dgettext('sugar-toolkit-gtk3', msg)
 
 
 def get_svg_color_string(color):
diff --git a/src/sugar3/mime.py b/src/sugar3/mime.py
index d5ffbd4c..0f890e1e 100644
--- a/src/sugar3/mime.py
+++ b/src/sugar3/mime.py
@@ -31,7 +31,7 @@ from gi.repository import Gio
 
 from gi.repository import SugarExt
 
-_ = lambda msg: gettext.dgettext('sugar-base', msg)
+_ = lambda msg: gettext.dgettext('sugar-toolkit-gtk3', msg)
 
 GENERIC_TYPE_TEXT = 'Text'
 GENERIC_TYPE_IMAGE = 'Image'
diff --git a/src/sugar3/util.py b/src/sugar3/util.py
index 4a36e048..e3941847 100644
--- a/src/sugar3/util.py
+++ b/src/sugar3/util.py
@@ -31,7 +31,7 @@ import logging
 import atexit
 
 
-_ = lambda msg: gettext.dgettext('sugar-toolkit', msg)
+_ = lambda msg: gettext.dgettext('sugar-toolkit-gtk3', msg)
 
 
 def printable_hash(in_hash):
@@ -270,7 +270,7 @@ def timestamp_to_elapsed_string(timestamp, max_levels=2):
             if key in _i18n_timestamps_cache:
                 time_period += _i18n_timestamps_cache[key]
             else:
-                tmp = gettext.dngettext('sugar-toolkit',
+                tmp = gettext.dngettext('sugar-toolkit-gtk3',
                                         name_singular,
                                         name_plural,
                                         elapsed_units)