diff --git a/cmake/CoinCMakeUtilities.cmake b/cmake/CoinCMakeUtilities.cmake
index b09186e..ba2069a 100644
--- a/cmake/CoinCMakeUtilities.cmake
+++ b/cmake/CoinCMakeUtilities.cmake
@@ -17,7 +17,7 @@ macro(coin_setup_gui_project)
   elseif(Gui STREQUAL "Wx")
     set(WINWIDGET wxWindow*)
   elseif(Gui STREQUAL "Fl")
-    set(WINWIDGET Fl_Widget*)
+    set(WINWIDGET Fl_Window*)
   else()
     message(FATAL_ERROR "Only Qt, Win, Wx, Fl and Xt supported: please set Gui to one of these values")
   endif()