diff --git a/src/sysprof/sysprof-logs-section.c b/src/sysprof/sysprof-logs-section.c
index 595eac95..ac05f41b 100644
--- a/src/sysprof/sysprof-logs-section.c
+++ b/src/sysprof/sysprof-logs-section.c
@@ -87,6 +87,16 @@ format_number (gpointer unused,
   return g_strdup_printf ("%'u", number);
 }
 
+static char *
+int_to_string_filtered (gpointer unused,
+                        int      value)
+{
+  if (value < 0)
+    return NULL;
+
+  return g_strdup_printf ("%d", value);
+}
+
 static char *
 format_severity (gpointer       unused,
                  GLogLevelFlags severity)
@@ -135,6 +145,7 @@ sysprof_logs_section_class_init (SysprofLogsSectionClass *klass)
   gtk_widget_class_bind_template_child (widget_class, SysprofLogsSection, time_column);
   gtk_widget_class_bind_template_callback (widget_class, format_number);
   gtk_widget_class_bind_template_callback (widget_class, format_severity);
+  gtk_widget_class_bind_template_callback (widget_class, int_to_string_filtered);
   gtk_widget_class_bind_template_callback (widget_class, sysprof_logs_section_activate_layer_item_cb);
 
   g_type_ensure (SYSPROF_TYPE_DOCUMENT_BITSET_INDEX);
diff --git a/src/sysprof/sysprof-logs-section.ui b/src/sysprof/sysprof-logs-section.ui
index 7e83663e..a7723015 100644
--- a/src/sysprof/sysprof-logs-section.ui
+++ b/src/sysprof/sysprof-logs-section.ui
@@ -160,9 +160,11 @@
         <property name="min-chars">2</property>
         <property name="nat-chars">2</property>
         <binding name="text">
-          <lookup name="cpu" type="SysprofDocumentLog">
-            <lookup name="item">GtkListItem</lookup>
-          </lookup>
+          <closure function="int_to_string_filtered" type="gchararray">
+            <lookup name="cpu" type="SysprofDocumentLog">
+              <lookup name="item">GtkListItem</lookup>
+            </lookup>
+          </closure>
         </binding>
       </object>
     </property>
@@ -196,9 +198,11 @@
         <property name="min-chars">2</property>
         <property name="nat-chars">2</property>
         <binding name="text">
-          <lookup name="pid" type="SysprofDocumentLog">
-            <lookup name="item">GtkListItem</lookup>
-          </lookup>
+          <closure function="int_to_string_filtered" type="gchararray">
+            <lookup name="pid" type="SysprofDocumentLog">
+              <lookup name="item">GtkListItem</lookup>
+            </lookup>
+          </closure>
         </binding>
       </object>
     </property>