--- panel-plugin/config_gui.c
+++ panel-plugin/config_gui.c
@@ -191,7 +191,7 @@ int CreateConfigGUI (GtkWidget * vbox1, struct gui_t *p_poGUI)
     gtk_box_pack_start (GTK_BOX (wHBox_MaxIO), wTF_MaxXfer, TRUE, TRUE, 0);
     gtk_widget_set_tooltip_text (wTF_MaxXfer,
 			  _("Input the maximum I/O transfer rate of the device, then press <Enter>"));
-    gtk_entry_set_max_length (GTK_ENTRY (wTF_MaxXfer), 3);
+    gtk_entry_set_max_length (GTK_ENTRY (wTF_MaxXfer), 5);
     gtk_entry_set_text (GTK_ENTRY (wTF_MaxXfer), _("35"));
 
     hseparator8 = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
--- panel-plugin/main.c
+++ panel-plugin/main.c
@@ -825,8 +825,8 @@ static void SetXferRate (Widget_t p_wTF, void *p_pvPlugin)
 
     /* Make it a multiple of 5 MB/s */
     poConf->iMaxXferMBperSec = 5 * round((double) atoi(pcXferRate) / 5);
-    if (poConf->iMaxXferMBperSec > 995)
-	poConf->iMaxXferMBperSec = 995;
+    if (poConf->iMaxXferMBperSec > 32767)
+	poConf->iMaxXferMBperSec = 32765;
     else if (poConf->iMaxXferMBperSec < 5)
 	poConf->iMaxXferMBperSec = 5;
     DBG("XferRate rounded to %dMb/s\n", poConf->iMaxXferMBperSec);