diff --git a/vncviewer/OptionsDialog.cxx b/vncviewer/OptionsDialog.cxx
index 87cc5af..c82079f 100644
--- a/vncviewer/OptionsDialog.cxx
+++ b/vncviewer/OptionsDialog.cxx
@@ -286,7 +286,9 @@
     desktopHeightInput->value(buf);
   }
   remoteResizeCheckbox->value(remoteResize);
+#ifdef HAVE_FLTK_FULLSCREEN
   fullScreenCheckbox->value(fullScreen);
+#endif // HAVE_FLTK_FULLSCREEN
 
   handleDesktopSize(desktopSizeCheckbox, this);
 
@@ -389,7 +391,9 @@
     desktopSize.setParam("");
   }
   remoteResize.setParam(remoteResizeCheckbox->value());
+#ifdef HAVE_FLTK_FULLSCREEN
   fullScreen.setParam(fullScreenCheckbox->value());
+#endif // HAVE_FLTK_FULLSCREEN
 
   /* Misc. */
   shared.setParam(sharedCheckbox->value());
@@ -748,12 +752,16 @@
                                                       _("Resize remote session to the local window")));
   ty += CHECK_HEIGHT + TIGHT_MARGIN;
 
+#ifdef HAVE_FLTK_FULLSCREEN
+
   fullScreenCheckbox = new Fl_Check_Button(LBLRIGHT(tx, ty,
                                                   CHECK_MIN_WIDTH,
                                                   CHECK_HEIGHT,
                                                   _("Full-screen mode")));
   ty += CHECK_HEIGHT + TIGHT_MARGIN;
 
+#endif // HAVE_FLTK_FULLSCREEN
+
   group->end();
 }