diff --git a/src/sysprof/sysprof-mark-table.ui b/src/sysprof/sysprof-mark-table.ui
index 2181a0cf..d17c6f06 100644
--- a/src/sysprof/sysprof-mark-table.ui
+++ b/src/sysprof/sysprof-mark-table.ui
@@ -14,6 +14,7 @@
                 </style>
                 <signal name="activate" handler="sysprof_mark_table_activate_cb" swapped="true"/>
                 <property name="show-column-separators">true</property>
+                <property name="show-row-separators">true</property>
                 <property name="model">
                   <object class="GtkSingleSelection">
                     <property name="model">
diff --git a/src/sysprof/sysprof-marks-section.ui b/src/sysprof/sysprof-marks-section.ui
index bbc883c1..580191e2 100644
--- a/src/sysprof/sysprof-marks-section.ui
+++ b/src/sysprof/sysprof-marks-section.ui
@@ -207,6 +207,8 @@
                         <style>
                           <class name="data-table"/>
                         </style>
+                        <property name="show-column-separators">true</property>
+                        <property name="show-row-separators">true</property>
                         <property name="model">
                           <object class="GtkNoSelection">
                             <property name="model">
@@ -267,6 +269,7 @@
                         <child>
                           <object class="GtkColumnViewColumn">
                             <property name="title" translatable="yes">Name</property>
+                            <property name="expand">true</property>
                             <property name="sorter">
                               <object class="GtkStringSorter">
                                 <property name="expression">
diff --git a/src/sysprof/sysprof-processes-section.ui b/src/sysprof/sysprof-processes-section.ui
index 95cc58d5..4452bb1a 100644
--- a/src/sysprof/sysprof-processes-section.ui
+++ b/src/sysprof/sysprof-processes-section.ui
@@ -180,6 +180,8 @@
                           <class name="data-table"/>
                         </style>
                         <signal name="activate" handler="process_table_activate_cb" swapped="true"/>
+                        <property name="show-column-separators">true</property>
+                        <property name="show-row-separators">true</property>
                         <property name="model">
                           <object class="GtkNoSelection">
                             <property name="model">