diff --git a/iPDC/utility_tools.ui b/iPDC/utility_tools.ui
index 7fe7526..303df9c 100644
--- a/iPDC/utility_tools.ui
+++ b/iPDC/utility_tools.ui
@@ -2,7 +2,7 @@
 <!-- Generated with glade 3.22.2 -->
 <interface>
   <requires lib="gtk+" version="3.24"/>
-  <object class="GtkWindow">
+  <object class="GtkWindow" id="util_window">
     <property name="width_request">800</property>
     <property name="height_request">600</property>
     <property name="can_focus">False</property>