diff --git a/src/osgPlugins/vrml/ReaderWriterVRML2.cpp b/src/osgPlugins/vrml/ReaderWriterVRML2.cpp
index 8f30699c2..519e5bad5 100644
--- a/src/osgPlugins/vrml/ReaderWriterVRML2.cpp
+++ b/src/osgPlugins/vrml/ReaderWriterVRML2.cpp
@@ -110,16 +110,15 @@ class resource_fetcher: public openvrml::resource_fetcher
                         using std::find;
                         using std::string;
                         using boost::algorithm::iequals;
-                        using boost::next;
                         string media_type = "application/octet-stream";
 
                         const string::const_reverse_iterator dot_pos = find(this->url_.rbegin(), this->url_.rend(), '.');
-                        if (dot_pos == this->url_.rend() || next(dot_pos.base()) == this->url_.end())
+                        if (dot_pos == this->url_.rend() || boost::next(dot_pos.base()) == this->url_.end())
                         {
                             return media_type;
                         }
 
-                        const string::const_iterator hash_pos = find(next(dot_pos.base()), this->url_.end(), '#');
+                        const string::const_iterator hash_pos = find(boost::next(dot_pos.base()), this->url_.end(), '#');
                         const string ext(dot_pos.base(), hash_pos);
 
                         if (iequals(ext, "wrl") || iequals(ext, "vrml"))