diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 2fa1aa7a4..0a0fe271b 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -112,9 +112,9 @@ IF(DYNAMIC_OPENSCENEGRAPH)
         ADD_SUBDIRECTORY(osgpdf)
     ENDIF(POPPLER_FOUND AND CAIRO_FOUND)
     
-    IF   (XUL_FOUND)
+    IF   (XUL_FOUND AND GTKGL_FOUND AND GLUT_FOUND)
         ADD_SUBDIRECTORY(osgbrowser)
-    ENDIF(XUL_FOUND)
+    ENDIF(XUL_FOUND AND GTKGL_FOUND AND GLUT_FOUND)
 
 
     IF   (BUILD_OSG_WRAPPERS)