diff --git a/src/common/config.py b/src/common/config.py
index 100aa3333..a549c432b 100644
--- a/src/common/config.py
+++ b/src/common/config.py
@@ -86,8 +86,8 @@ class Config:
 		'after_time': [ opt_str, ']' ],
 		'before_nickname': [ opt_str, '<' ],
 		'after_nickname': [ opt_str, '>' ],
-		'do_not_send_os_info': [ opt_bool, False ],
-		'do_not_check_for_new_version': [ opt_bool, False ],
+		'send_os_info': [ opt_bool, False ],
+		'check_for_new_version': [ opt_bool, False ],
 		'usegpg': [ opt_bool, False ],
 		'lognotusr': [ opt_bool, True ],
 		'lognotsep': [ opt_bool, True ],
diff --git a/src/common/connection.py b/src/common/connection.py
index aaca0d430..0e1b750b6 100644
--- a/src/common/connection.py
+++ b/src/common/connection.py
@@ -383,8 +383,8 @@ class Connection:
 		qp = iq_obj.getTag('query')
 		qp.insertTag('name').insertData('Gajim')
 		qp.insertTag('version').insertData(gajim.version)
-		no_send_os = gajim.config.get('do_not_send_os_info')
-		if not no_send_os:
+		send_os = gajim.config.get('send_os_info')
+		if send_os:
 			qp.insertTag('os').insertData(get_os_info())
 		self.connection.send(iq_obj)
 
diff --git a/src/config.py b/src/config.py
index baf200948..b9560b7e4 100644
--- a/src/config.py
+++ b/src/config.py
@@ -390,13 +390,12 @@ class Preferences_window:
 		gajim.config.set('lognotsep', widget.get_active())
 		self.plugin.save_config()
 
-	def on_do_not_send_os_info_checkbutton_toggled(self, widget):
-		gajim.config.set('do_not_send_os_info', widget.get_active())
+	def on_send_os_info_checkbutton_toggled(self, widget):
+		gajim.config.set('send_os_info', widget.get_active())
 		self.plugin.save_config()
 
-	def on_do_not_check_for_new_version_checkbutton_toggled(self, widget):
-		gajim.config.set('do_not_check_for_new_version',
-							widget.get_active())
+	def on_check_for_new_version_checkbutton_toggled(self, widget):
+		gajim.config.set('check_for_new_version', widget.get_active())
 		self.plugin.save_config()
 
 	def fill_msg_treeview(self):
@@ -771,12 +770,12 @@ class Preferences_window:
 		self.xml.get_widget('log_in_extern_checkbutton').set_active(st)
 		
 		# don't send os info
-		st = gajim.config.get('do_not_send_os_info')
-		self.xml.get_widget('do_not_send_os_info_checkbutton').set_active(st)
+		st = gajim.config.get('send_os_info')
+		self.xml.get_widget('send_os_info_checkbutton').set_active(st)
 		
 		# don't check for new version
-		st = gajim.config.get('do_not_check_for_new_version')
-		btn = self.xml.get_widget('do_not_check_for_new_version_checkbutton')
+		st = gajim.config.get('check_for_new_version')
+		btn = self.xml.get_widget('check_for_new_version_checkbutton')
 		btn.set_active(st)
 		
 		self.xml.signal_autoconnect(self)
diff --git a/src/gajim.py b/src/gajim.py
index aa2065872..6213fd3c9 100755
--- a/src/gajim.py
+++ b/src/gajim.py
@@ -686,7 +686,7 @@ class Interface:
 		if self.systray_capabilities:
 			self.show_systray()
 
-		if not gajim.config.get('do_not_check_for_new_version'):
+		if not gajim.config.get('check_for_new_version'):
 			common.check_for_new_version.Check_for_new_version_dialog(self)
 
 		self.init_regexp()
diff --git a/src/gtkgui.glade b/src/gtkgui.glade
index 47bcf2efa..77959b870 100644
--- a/src/gtkgui.glade
+++ b/src/gtkgui.glade
@@ -5548,17 +5548,17 @@ Custom</property>
 			  <property name="spacing">0</property>
 
 			  <child>
-			    <widget class="GtkCheckButton" id="do_not_send_os_info_checkbutton">
+			    <widget class="GtkCheckButton" id="send_os_info_checkbutton">
 			      <property name="visible">True</property>
 			      <property name="can_focus">True</property>
-			      <property name="label" translatable="yes">Do not send _OS information</property>
+			      <property name="label" translatable="yes">Allow _OS information to be sent</property>
 			      <property name="use_underline">True</property>
 			      <property name="relief">GTK_RELIEF_NORMAL</property>
 			      <property name="focus_on_click">True</property>
 			      <property name="active">False</property>
 			      <property name="inconsistent">False</property>
 			      <property name="draw_indicator">True</property>
-			      <signal name="toggled" handler="on_do_not_send_os_info_checkbutton_toggled" last_modification_time="Wed, 06 Apr 2005 14:43:56 GMT"/>
+			      <signal name="toggled" handler="on_send_os_info_checkbutton_toggled" last_modification_time="Wed, 06 Apr 2005 14:43:56 GMT"/>
 			    </widget>
 			    <packing>
 			      <property name="padding">0</property>
@@ -5568,17 +5568,17 @@ Custom</property>
 			  </child>
 
 			  <child>
-			    <widget class="GtkCheckButton" id="do_not_check_for_new_version_checkbutton">
+			    <widget class="GtkCheckButton" id="check_for_new_version_checkbutton">
 			      <property name="visible">True</property>
 			      <property name="can_focus">True</property>
-			      <property name="label" translatable="yes">Do not check for new _version at startup</property>
+			      <property name="label" translatable="yes">Check for new _version at startup</property>
 			      <property name="use_underline">True</property>
 			      <property name="relief">GTK_RELIEF_NORMAL</property>
 			      <property name="focus_on_click">True</property>
 			      <property name="active">False</property>
 			      <property name="inconsistent">False</property>
 			      <property name="draw_indicator">True</property>
-			      <signal name="toggled" handler="on_do_not_check_for_new_version_checkbutton_toggled" last_modification_time="Mon, 18 Apr 2005 12:41:51 GMT"/>
+			      <signal name="toggled" handler="on_check_for_new_version_checkbutton_toggled" last_modification_time="Mon, 18 Apr 2005 12:41:51 GMT"/>
 			    </widget>
 			    <packing>
 			      <property name="padding">0</property>