--- panel-plugin/config_gui.c
+++ panel-plugin/config_gui.c
@@ -107,7 +107,7 @@ int CreateConfigGUI (GtkWidget * vbox1, struct gui_t *p_poGUI)
     gtk_grid_attach (GTK_GRID (table1), wTF_Device, 1, 0, 1, 1);
     gtk_widget_set_tooltip_text (wTF_Device,
 			  _("Input the device name, then press <Enter>"));
-    gtk_entry_set_max_length (GTK_ENTRY (wTF_Device), 64);
+    gtk_entry_set_max_length (GTK_ENTRY (wTF_Device), 128);
     gtk_entry_set_text (GTK_ENTRY (wTF_Device), _("/dev/sda1"));
 
     eventbox1 = gtk_event_box_new ();
--- panel-plugin/main.c
+++ panel-plugin/main.c
@@ -79,7 +79,7 @@ typedef enum monitor_bar_order_t {
 
 typedef struct param_t {
     /* Configurable parameters */
-    char            acDevice[64];
+    char            acDevice[128];
 #if  !defined(__FreeBSD__) && !defined(__NetBSD__) && !defined(__OpenBSD__) && !defined(__sun__)
     dev_t           st_rdev;
 #endif
@@ -480,16 +480,16 @@ static diskperf_t *diskperf_create_control (XfcePanelPlugin *plugin)
     poPlugin->plugin = plugin;
     
 #if defined(__NetBSD__) || defined(__OpenBSD__)
-    strncpy (poConf->acDevice, "wd0", 64);
+    strncpy (poConf->acDevice, "wd0", 128);
     strncpy (poConf->acTitle, "wd0", 16);
 #elif defined(__FreeBSD__)
-    strncpy (poConf->acDevice, "ada0", 64);
+    strncpy (poConf->acDevice, "ada0", 128);
     strncpy (poConf->acTitle, "ada0", 16);
 #elif defined(__sun__)
-    strncpy (poConf->acDevice, "sd0", 64);
+    strncpy (poConf->acDevice, "sd0", 128);
     strncpy (poConf->acTitle, "sd0", 16);
 #else
-    strncpy (poConf->acDevice, "/dev/sda", 64);
+    strncpy (poConf->acDevice, "/dev/sda", 128);
     status = stat (poConf->acDevice, &oStat);
     poConf->st_rdev = (status == -1 ? 0 : oStat.st_rdev);
     strncpy (poConf->acTitle, "sda", 16);