diff -upr mate-system-monitor/src/procdialogs.cpp mate-system-monitor-test/src/procdialogs.cpp

--- mate-system-monitor/src/procdialogs.cpp	2015-11-28 01:22:39.480956000 +0100

+++ mate-system-monitor-test/src/procdialogs.cpp	2015-11-29 20:52:41.418102407 +0100

@@ -585,7 +585,7 @@ procdialog_create_preferences_dialog (Pr

                                    MAX_UPDATE_INTERVAL / 1000,

                                    0.25,

                                    1.0,

-                                   1.0);

+                                   0);

     spin_button = gtk_spin_button_new (adjustment, 1.0, 2);

     gtk_box_pack_start (GTK_BOX (hbox3), spin_button, FALSE, FALSE, 0);

@@ -695,7 +695,7 @@ procdialog_create_preferences_dialog (Pr

     update = (gfloat) procdata->config.graph_update_interval;

     adjustment = (GtkAdjustment *) gtk_adjustment_new(update / 1000.0, 0.25,

-                                                      100.0, 0.25, 1.0, 1.0);

+                                                      100.0, 0.25, 1.0, 0);

     spin_button = gtk_spin_button_new (adjustment, 1.0, 2);

     g_signal_connect (G_OBJECT (spin_button), "focus_out_event",

                       G_CALLBACK(SBU::callback),

@@ -756,7 +756,7 @@ procdialog_create_preferences_dialog (Pr

     update = (gfloat) procdata->config.disks_update_interval;

     adjustment = (GtkAdjustment *) gtk_adjustment_new (update / 1000.0, 1.0,

-                                                       100.0, 1.0, 1.0, 1.0);

+                                                       100.0, 1.0, 1.0, 0);

     spin_button = gtk_spin_button_new (adjustment, 1.0, 0);

     gtk_box_pack_start (GTK_BOX (hbox3), spin_button, FALSE, FALSE, 0);

     gtk_label_set_mnemonic_widget (GTK_LABEL (label), spin_button);