diff --git a/src/drivers/X11/Fl_X11_Screen_Driver.cxx b/src/drivers/X11/Fl_X11_Screen_Driver.cxx
index 1dbd521543..06a37c5f8e 100644
--- a/src/drivers/X11/Fl_X11_Screen_Driver.cxx
+++ b/src/drivers/X11/Fl_X11_Screen_Driver.cxx
@@ -411,17 +411,18 @@ void Fl_X11_Screen_Driver::screen_dpi(float &h, float &v, int n)
 
 void Fl_X11_Screen_Driver::beep(int type)
 {
+  int vol;
   switch (type) {
-    case FL_BEEP_DEFAULT :
     case FL_BEEP_ERROR :
-      if (!fl_display) open_display();
-      XBell(fl_display, 100);
+      vol = 100;
       break;
+    case FL_BEEP_DEFAULT :
     default :
-      if (!fl_display) open_display();
-      XBell(fl_display, 50);
+      vol = 0;
       break;
   }
+  if (!fl_display) open_display();
+  XBell(fl_display, vol);
 }