diff --git a/code/ColladaLoader.cpp b/code/ColladaLoader.cpp
index 8941d39e0..5189455c0 100644
--- a/code/ColladaLoader.cpp
+++ b/code/ColladaLoader.cpp
@@ -110,7 +110,7 @@ void ColladaLoader::InternReadFile( const std::string& pFile, aiScene* pScene, I
 	mTextures.clear();
 
 	// parse the input file
-	ColladaParser parser( pFile);
+	ColladaParser parser( pIOHandler, pFile);
 
 	if( !parser.mRootNode)
 		throw new ImportErrorException( "Collada: File came out empty. Something is wrong here.");
@@ -154,16 +154,6 @@ void ColladaLoader::InternReadFile( const std::string& pFile, aiScene* pScene, I
 	// store all lights
 	StoreSceneLights( pScene);
 
-	// if we know which camera is the primary camera, copy it to index 0
-	if (0 == parser.mRootNode->mPrimaryCamera.length()) {
-		for (unsigned int i = 1; i < mCameras.size(); ++i) {
-			if (mCameras[i]->mName == parser.mRootNode->mPrimaryCamera) {
-				std::swap(mCameras[i],mCameras[0]);
-				break;
-			}
-		}
-	}
-
 	// store all cameras
 	StoreSceneCameras( pScene);
 }
diff --git a/code/ColladaParser.cpp b/code/ColladaParser.cpp
index 5182abf88..d83d653b3 100644
--- a/code/ColladaParser.cpp
+++ b/code/ColladaParser.cpp
@@ -55,7 +55,7 @@ using namespace Assimp::Collada;
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
-ColladaParser::ColladaParser( const std::string& pFile)
+ColladaParser::ColladaParser( IOSystem* pIOHandler, const std::string& pFile)
 	: mFileName( pFile)
 {
 	mRootNode = NULL;
@@ -65,8 +65,14 @@ ColladaParser::ColladaParser( const std::string& pFile)
 	// We assume the newest file format by default
 	mFormat = FV_1_5_n;
 
+  // open the file
+  boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile));
+  if( file.get() == NULL)
+    throw new ImportErrorException( "Failed to open file " + pFile + ".");
+
 	// generate a XML reader for it
-	mReader = irr::io::createIrrXMLReader( pFile.c_str());
+  boost::scoped_ptr<CIrrXML_IOStreamReader> mIOWrapper( new CIrrXML_IOStreamReader( file.get()));
+	mReader = irr::io::createIrrXMLReader( mIOWrapper.get());
 	if( !mReader)
 		ThrowException( "Collada: Unable to open file.");
 
diff --git a/code/ColladaParser.h b/code/ColladaParser.h
index e601c182c..c26360f41 100644
--- a/code/ColladaParser.h
+++ b/code/ColladaParser.h
@@ -62,7 +62,7 @@ class ColladaParser
 
 protected:
 	/** Constructor from XML file */
-	ColladaParser( const std::string& pFile);
+	ColladaParser( IOSystem* pIOHandler, const std::string& pFile);
 
 	/** Destructor */
 	~ColladaParser();
@@ -224,7 +224,7 @@ protected:
 	/** Filename, for a verbose error message */
 	std::string mFileName;
 
-	/** XML reader */
+	/** XML reader, member for everyday use */
 	irr::io::IrrXMLReader* mReader;
 
 	/** All data arrays found in the file by ID. Might be referred to by actually 
diff --git a/code/IRRLoader.cpp b/code/IRRLoader.cpp
index 74700b623..f3622badd 100644
--- a/code/IRRLoader.cpp
+++ b/code/IRRLoader.cpp
@@ -60,6 +60,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #endif
 
 using namespace Assimp;
+using namespace irr;
+using namespace irr::io;
 using namespace boost::math;
 
 
diff --git a/code/IRRMeshLoader.cpp b/code/IRRMeshLoader.cpp
index 40ae200cf..6dab0d319 100644
--- a/code/IRRMeshLoader.cpp
+++ b/code/IRRMeshLoader.cpp
@@ -48,6 +48,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "fast_atof.h"
 
 using namespace Assimp;
+using namespace irr;
+using namespace irr::io;
 
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
diff --git a/code/IRRShared.cpp b/code/IRRShared.cpp
index 1dadb8f6e..bc09d0404 100644
--- a/code/IRRShared.cpp
+++ b/code/IRRShared.cpp
@@ -50,6 +50,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "fast_atof.h"
 
 using namespace Assimp;
+using namespace irr;
+using namespace irr::io;
 
 // Transformation matrix to convert from Assimp to IRR space
 const aiMatrix4x4 Assimp::AI_TO_IRR_MATRIX = aiMatrix4x4 ( 
diff --git a/code/IRRShared.h b/code/IRRShared.h
index 222b66533..04f8b3d36 100644
--- a/code/IRRShared.h
+++ b/code/IRRShared.h
@@ -77,7 +77,7 @@ protected:
 
 	/** XML reader instance
 	 */
-	IrrXMLReader* reader;
+  irr::io::IrrXMLReader* reader;
 
 	// -------------------------------------------------------------------
 	/** Parse a material description from the XML
diff --git a/code/irrXMLWrapper.h b/code/irrXMLWrapper.h
index c74900a8d..6b6b60489 100644
--- a/code/irrXMLWrapper.h
+++ b/code/irrXMLWrapper.h
@@ -6,16 +6,15 @@
 #include "./../contrib/irrXML/irrXML.h"
 #include "./../include/IOStream.h"
 
-namespace Assimp {
-using namespace irr;
-using namespace irr::io;
+namespace Assimp 
+{
 
 // ---------------------------------------------------------------------------------
 /** @brief Utility class to make IrrXML work together with our custom IO system
  *
  *  See the IrrXML docs for more details.
  */
-class CIrrXML_IOStreamReader
+class CIrrXML_IOStreamReader : public irr::io::IFileReadCallBack
 {
 public: