diff --git a/include/osgDB/ReaderWriter b/include/osgDB/ReaderWriter
index 105456fb0..90fb5f296 100644
--- a/include/osgDB/ReaderWriter
+++ b/include/osgDB/ReaderWriter
@@ -63,12 +63,13 @@ class OSGDB_EXPORT ReaderWriter : public osg::Referenced
                     FILE_NOT_HANDLED,
                     FILE_NOT_FOUND,
                     FILE_LOADED,
+                    FILE_LOADED_FROM_CACHE,
                     ERROR_IN_READING_FILE
                 };
 
                 ReadResult(ReadStatus status=FILE_NOT_HANDLED):_status(status) {}
                 ReadResult(const std::string& m):_status(ERROR_IN_READING_FILE),_message(m) {}
-                ReadResult(osg::Object* obj):_status(FILE_LOADED),_object(obj) {}
+                ReadResult(osg::Object* obj, ReadStatus status=FILE_LOADED):_status(status),_object(obj) {}
                 
                 ReadResult(const ReadResult& rr):_status(rr._status),_message(rr._message),_object(rr._object) {}
                 ReadResult& operator = (const ReadResult& rr) { if (this==&rr) return *this; _status=rr._status; _message=rr._message;_object=rr._object; return *this; }
@@ -91,7 +92,8 @@ class OSGDB_EXPORT ReaderWriter : public osg::Referenced
                 const std::string& message() const { return _message; }
 
                 ReadStatus status() const { return _status; }
-                bool success() const { return _status==FILE_LOADED; }
+                bool success() const { return _status==FILE_LOADED || _status==FILE_LOADED_FROM_CACHE ; }
+                bool loadedFromCache() const { return _status==FILE_LOADED_FROM_CACHE; }
                 bool error() const { return _status==ERROR_IN_READING_FILE; }
                 bool notHandled() const { return _status==FILE_NOT_HANDLED; }
                 bool notFound() const { return _status==FILE_NOT_FOUND; }
diff --git a/src/osgDB/Registry.cpp b/src/osgDB/Registry.cpp
index 2f18debe1..a4d793633 100644
--- a/src/osgDB/Registry.cpp
+++ b/src/osgDB/Registry.cpp
@@ -1256,7 +1256,7 @@ ReaderWriter::ReadResult Registry::readObjectImplementation(const std::string& c
         {
             notify(INFO)<<"returning cached instanced of "<<file<<std::endl;
             osg::Object* object = oitr->second.first.get();
-            if (object) return object;
+            if (object) return ReaderWriter::ReadResult(object, ReaderWriter::ReadResult::FILE_LOADED_FROM_CACHE);
             else return ReaderWriter::ReadResult("Error file does not contain an osg::Object");
         }
 
@@ -1402,7 +1402,7 @@ ReaderWriter::ReadResult Registry::readImageImplementation(const std::string& fi
         {
             notify(INFO)<< "returning cached instanced of "<<file<<std::endl;
             osg::Image* image = dynamic_cast<osg::Image*>(oitr->second.first.get());
-            if (image) return image;
+            if (image) return ReaderWriter::ReadResult(image, ReaderWriter::ReadResult::FILE_LOADED_FROM_CACHE);
             else return ReaderWriter::ReadResult("Error file not of type osg::Image");
         }
 
@@ -1551,8 +1551,8 @@ ReaderWriter::ReadResult Registry::readHeightFieldImplementation(const std::stri
         if (oitr!=_objectCache.end())
         {
             notify(INFO)<< "returning cached instanced of "<<file<<std::endl;
-            osg::HeightField* HeightField = dynamic_cast<osg::HeightField*>(oitr->second.first.get());
-            if (HeightField) return HeightField;
+            osg::HeightField* heightField = dynamic_cast<osg::HeightField*>(oitr->second.first.get());
+            if (heightField) return ReaderWriter::ReadResult(heightField, ReaderWriter::ReadResult::FILE_LOADED_FROM_CACHE);
             else return ReaderWriter::ReadResult("Error file not of type osg::HeightField");
         }
 
@@ -1714,7 +1714,7 @@ ReaderWriter::ReadResult Registry::readNodeImplementation(const std::string& fil
         {
             notify(INFO)<< "returning cached instanced of "<<file<<std::endl;
             osg::Node* node = dynamic_cast<osg::Node*>(oitr->second.first.get());
-            if (node) return node;
+            if (node) return ReaderWriter::ReadResult(node, ReaderWriter::ReadResult::FILE_LOADED_FROM_CACHE);
             else return ReaderWriter::ReadResult("Error file not of type osg::Node");
         }