diff --git a/include/osgProducer/Viewer b/include/osgProducer/Viewer
index 030bf6ed9..6d93efd36 100644
--- a/include/osgProducer/Viewer
+++ b/include/osgProducer/Viewer
@@ -56,7 +56,7 @@ class OSGPRODUCER_EXPORT Viewer : public CameraGroup, public osgGA::GUIActionAda
                                 HEAD_LIGHT_SOURCE
         };
         
-        void setUpViewer(ViewerOptions options=STANDARD_SETTINGS);
+        void setUpViewer(unsigned int options=STANDARD_SETTINGS);
         
         bool done() const { return _done; }
 
diff --git a/src/osgProducer/Viewer.cpp b/src/osgProducer/Viewer.cpp
index dd7da4979..a5aea169d 100644
--- a/src/osgProducer/Viewer.cpp
+++ b/src/osgProducer/Viewer.cpp
@@ -34,7 +34,7 @@ Viewer::Viewer(const std::string& configFile):
 {
 }
 
-void Viewer::setUpViewer(Viewer::ViewerOptions options)
+void Viewer::setUpViewer(unsigned int options)
 {
 
     // set up the keyboard and mouse handling.