diff --git a/ubl-settings-services.glade b/ubl-settings-services.glade
index e8534d7..31e0b21 100644
--- a/ubl-settings-services.glade
+++ b/ubl-settings-services.glade
@@ -1387,6 +1387,7 @@
                             <property name="sizing">fixed</property>
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">File</property>
+                            <property name="sort-column-id">0</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>
@@ -1401,6 +1402,7 @@
                             <property name="sizing">fixed</property>
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">Change date</property>
+                            <property name="sort-column-id">1</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>
@@ -1414,6 +1416,7 @@
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">Description</property>
                             <property name="expand">True</property>
+                            <property name="sort-column-id">2</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>
@@ -1546,6 +1549,7 @@
                             <property name="sizing">fixed</property>
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">Session ID</property>
+                            <property name="sort-column-id">0</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>
@@ -1560,6 +1564,7 @@
                             <property name="sizing">fixed</property>
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">Status</property>
+                            <property name="sort-column-id">1</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>
@@ -1574,6 +1579,7 @@
                             <property name="sizing">fixed</property>
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">User ID</property>
+                            <property name="sort-column-id">2</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>
@@ -1588,6 +1594,7 @@
                             <property name="sizing">fixed</property>
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">User name</property>
+                            <property name="sort-column-id">3</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>
@@ -1601,6 +1608,7 @@
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">Seat ID</property>
                             <property name="expand">True</property>
+                            <property name="sort-column-id">4</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>
@@ -1672,6 +1680,7 @@
                             <property name="sizing">fixed</property>
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">Timer</property>
+                            <property name="sort-column-id">0</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>
@@ -1686,6 +1695,7 @@
                             <property name="sizing">fixed</property>
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">Next</property>
+                            <property name="sort-column-id">1</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>
@@ -1700,6 +1710,7 @@
                             <property name="sizing">fixed</property>
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">Left</property>
+                            <property name="sort-column-id">2</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>
@@ -1714,6 +1725,7 @@
                             <property name="sizing">fixed</property>
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">Last</property>
+                            <property name="sort-column-id">3</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>
@@ -1728,6 +1740,7 @@
                             <property name="sizing">fixed</property>
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">Passed</property>
+                            <property name="sort-column-id">4</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>
@@ -1741,6 +1754,7 @@
                             <property name="min-width">20</property>
                             <property name="title" translatable="yes">Activates</property>
                             <property name="expand">True</property>
+                            <property name="sort-column-id">5</property>
                             <child>
                               <object class="GtkCellRendererText"/>
                               <attributes>