diff --git a/vncviewer/OptionsDialog.cxx b/vncviewer/OptionsDialog.cxx
index c82079f..df9f355 100644
--- a/vncviewer/OptionsDialog.cxx
+++ b/vncviewer/OptionsDialog.cxx
@@ -288,6 +288,9 @@
   remoteResizeCheckbox->value(remoteResize);
 #ifdef HAVE_FLTK_FULLSCREEN
   fullScreenCheckbox->value(fullScreen);
+#ifdef HAVE_FLTK_FULLSCREEN_SCREENS
+  fullScreenAllMonitorsCheckbox->value(fullScreenAllMonitors);
+#endif // HAVE_FLTK_FULLSCREEN_SCREENS
 #endif // HAVE_FLTK_FULLSCREEN
 
   handleDesktopSize(desktopSizeCheckbox, this);
@@ -393,6 +396,9 @@
   remoteResize.setParam(remoteResizeCheckbox->value());
 #ifdef HAVE_FLTK_FULLSCREEN
   fullScreen.setParam(fullScreenCheckbox->value());
+#ifdef HAVE_FLTK_FULLSCREEN_SCREENS
+  fullScreenAllMonitors.setParam(fullScreenAllMonitorsCheckbox->value());
+#endif // HAVE_FLTK_FULLSCREEN_SCREENS
 #endif // HAVE_FLTK_FULLSCREEN
 
   /* Misc. */
@@ -760,6 +766,16 @@
                                                   _("Full-screen mode")));
   ty += CHECK_HEIGHT + TIGHT_MARGIN;
 
+#ifdef HAVE_FLTK_FULLSCREEN_SCREENS
+
+  fullScreenAllMonitorsCheckbox = new Fl_Check_Button(LBLRIGHT(tx + INDENT, ty,
+                                                      CHECK_MIN_WIDTH,
+                                                      CHECK_HEIGHT,
+                                                      _("Enable full-screen mode over all monitors")));
+  ty += CHECK_HEIGHT + TIGHT_MARGIN;
+
+#endif // HAVE_FLTK_FULLSCREEN_SCREENS
+
 #endif // HAVE_FLTK_FULLSCREEN
 
   group->end();