diff --git a/data/gui/chat_control.ui b/data/gui/chat_control.ui
index 1ebf8df2b..bde30dede 100644
--- a/data/gui/chat_control.ui
+++ b/data/gui/chat_control.ui
@@ -360,7 +360,6 @@
                     <property name="receives_default">True</property>
                     <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
                     <property name="has_tooltip">True</property>
-                    <property name="tooltip_text" translatable="yes">Show a list of formattings</property>
                     <property name="use_action_appearance">False</property>
                     <property name="relief">none</property>
                     <property name="focus_on_click">False</property>
diff --git a/src/chat_control.py b/src/chat_control.py
index 9bffae4b7..907813b6d 100644
--- a/src/chat_control.py
+++ b/src/chat_control.py
@@ -1794,8 +1794,16 @@ class ChatControl(ChatControlBase):
         # Formatting
         if self.contact.supports(NS_XHTML_IM) and not self.gpg_is_active:
             self._formattings_button.set_sensitive(True)
+            self._formattings_button.set_tooltip(_(
+                'Show a list of formattings'))
         else:
             self._formattings_button.set_sensitive(False)
+            if self.contact.supports(NS_XHTML_IM):
+                self._formattings_button.set_tooltip(_('Formattings are not '
+                    'available when GPG is active'))
+            else:
+                self._formattings_button.set_tooltip(_('This contact does not '
+                    'support HTML'))
 
         # Add to roster
         if not isinstance(self.contact, GC_Contact) \