diff --git a/data/gui/chat_control.ui b/data/gui/chat_control.ui
index 17831e020..3b94e449f 100644
--- a/data/gui/chat_control.ui
+++ b/data/gui/chat_control.ui
@@ -944,6 +944,7 @@
                     <property name="visible">True</property>
                     <property name="can_focus">True</property>
                     <property name="receives_default">True</property>
+                    <property name="tooltip_text" translatable="yes">Choose an encryption</property>
                     <property name="relief">none</property>
                     <child>
                       <object class="GtkImage">
diff --git a/data/gui/groupchat_control.ui b/data/gui/groupchat_control.ui
index 0103a9da6..31caa1505 100644
--- a/data/gui/groupchat_control.ui
+++ b/data/gui/groupchat_control.ui
@@ -438,6 +438,7 @@
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="receives_default">True</property>
+                <property name="tooltip_text" translatable="yes">Choose an encryption</property>
                 <property name="relief">none</property>
                 <child>
                   <object class="GtkImage">