diff --git a/src/osgViewer/PixelBufferX11.cpp b/src/osgViewer/PixelBufferX11.cpp
index 02b46065e..1e2022c38 100644
--- a/src/osgViewer/PixelBufferX11.cpp
+++ b/src/osgViewer/PixelBufferX11.cpp
@@ -273,7 +273,7 @@ bool PixelBufferX11::makeCurrentImplementation()
 bool PixelBufferX11::makeContextCurrentImplementation(osg::GraphicsContext* readContext)
 {
     // osg::notify(osg::NOTICE)<<"PixelBufferX11::makeContextCurrentImplementation() not implementation yet."<<std::endl;
-    makeCurrentImplementation();
+    return makeCurrentImplementation();
 }