1 files changed, 2 insertions, 0 deletions

diff --git a/data/mat.ui b/data/mat.ui
index 0724676..5ed4e7e 100644
--- a/data/mat.ui
+++ b/data/mat.ui
@@ -335,6 +335,7 @@
     <property name="skip_taskbar_hint">True</property>
     <property name="skip_pager_hint">True</property>
     <property name="deletable">False</property>
+    <signal name="delete-event" handler="cb_hide_widget" swapped="no"/>
     <child internal-child="vbox">
       <object class="GtkBox" id="dialog-vbox2">
         <property name="can_focus">False</property>
@@ -432,6 +433,7 @@
     <property name="skip_pager_hint">True</property>
     <property name="deletable">False</property>
     <property name="has_resize_grip">False</property>
+    <signal name="delete-event" handler="cb_hide_widget" swapped="no"/>
     <child internal-child="vbox">
       <object class="GtkBox" id="supported_vbox">
         <property name="can_focus">False</property>