diff --git a/src/osgPlugins/p3d/ReaderWriterP3D.cpp b/src/osgPlugins/p3d/ReaderWriterP3D.cpp
index 291bf8431..0ac468c4b 100644
--- a/src/osgPlugins/p3d/ReaderWriterP3D.cpp
+++ b/src/osgPlugins/p3d/ReaderWriterP3D.cpp
@@ -2814,7 +2814,8 @@ class MyReadFileCallback : public virtual osgDB::ReadFileCallback
                     OSG_INFO<<"   inserting object into file cache "<<filename<<", "<<result.getObject()<<std::endl;
                     _objectCache[filename] = result.getObject();
 
-                    options->setPluginStringData("filename",newpath);
+                    if (options) options->setPluginStringData("filename",newpath);
+
                     return result;
                 }
             }