diff --git a/src/sysprof/sysprof-cpu-section.ui b/src/sysprof/sysprof-cpu-section.ui
index 47f95618..ed065029 100644
--- a/src/sysprof/sysprof-cpu-section.ui
+++ b/src/sysprof/sysprof-cpu-section.ui
@@ -326,6 +326,8 @@
                         <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">
@@ -481,6 +483,7 @@
                         <child>
                           <object class="GtkColumnViewColumn" id="value_column">
                             <property name="title" translatable="yes">Value</property>
+                            <property name="expand">true</property>
                             <property name="sorter">
                               <object class="GtkNumericSorter">
                                 <property name="expression">
diff --git a/src/sysprof/sysprof-network-section.ui b/src/sysprof/sysprof-network-section.ui
index 30f1af82..85ecede5 100644
--- a/src/sysprof/sysprof-network-section.ui
+++ b/src/sysprof/sysprof-network-section.ui
@@ -240,6 +240,8 @@
                         <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">
@@ -395,6 +397,7 @@
                         <child>
                           <object class="GtkColumnViewColumn" id="value_column">
                             <property name="title" translatable="yes">Value</property>
+                            <property name="expand">true</property>
                             <property name="sorter">
                               <object class="GtkNumericSorter">
                                 <property name="expression">