diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 876d8e142..383950471 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -207,9 +207,9 @@ IF(DYNAMIC_OPENSCENEGRAPH)
 
     ENDIF()
 
-    IF   (FLTK_FOUND)
+    IF   (FLTK_FOUND AND FT_GL_LIBRARY)
         ADD_SUBDIRECTORY(osgviewerFLTK)
-    ENDIF(FLTK_FOUND)
+    ENDIF()
 
     IF   (WIN32)