diff --git a/src/gajim.py b/src/gajim.py
index e523ed2cb..926ec5635 100755
--- a/src/gajim.py
+++ b/src/gajim.py
@@ -2717,9 +2717,12 @@ class Interface:
 							auto=True)
 						gajim.sleeper_state[account] = 'autoaway'
 
-			bus = dbus.SessionBus()
-			bus.add_signal_receiver(gnome_screensaver_ActiveChanged_cb,
-				'ActiveChanged', 'org.gnome.ScreenSaver')
+			try:
+				bus = dbus.SessionBus()
+				bus.add_signal_receiver(gnome_screensaver_ActiveChanged_cb,
+					'ActiveChanged', 'org.gnome.ScreenSaver')
+			except:
+				pass
 
 		self.show_vcard_when_connect = []
 
diff --git a/src/roster_window.py b/src/roster_window.py
index 05ad866a9..4b3e8132e 100644
--- a/src/roster_window.py
+++ b/src/roster_window.py
@@ -3681,13 +3681,13 @@ class RosterWindow:
 		if not dbus_support.supported:
 			# do nothing if user doesn't have D-Bus bindings
 			return
-		bus = dbus.SessionBus()
 		try:
+			bus = dbus.SessionBus()
 			if not 'com.google.code.Awn' in bus.list_names():
 				# Awn is not installed
 				return
 		except:
-			pass
+			return
 		iconset = gajim.config.get('iconset')
 		prefix = os.path.join(helpers.get_iconset_path(iconset), '32x32')
 		if status in ('chat', 'away', 'xa', 'dnd', 'invisible', 'offline'):