diff --git a/data/glest_game b/data/glest_game
index b1c0f0cc..5517be4d 160000
--- a/data/glest_game
+++ b/data/glest_game
@@ -1 +1 @@
-Subproject commit b1c0f0cc18cdd2311b581b44e7ae161317438c93
+Subproject commit 5517be4d27fd05ff4379b23c84fe8f6aed183f0b
diff --git a/source/g3d_viewer/main.cpp b/source/g3d_viewer/main.cpp
index 9386cb15..1f0c9203 100644
--- a/source/g3d_viewer/main.cpp
+++ b/source/g3d_viewer/main.cpp
@@ -299,6 +299,9 @@ MainWindow::MainWindow(	std::pair<string,vector<string> > unitToLoad,
 	this->appPath = appPath;
 	Properties::setApplicationPath(executable_path(appPath));
 
+	lastanim = 0;
+	model= NULL;
+
 	Config &config = Config::getInstance();
     //getGlPlatformExtensions();
 
@@ -313,8 +316,6 @@ MainWindow::MainWindow(	std::pair<string,vector<string> > unitToLoad,
 	glCanvas->SetCurrent();
 #endif
 
-	lastanim = 0;
-	model= NULL;
 	unitPath = unitToLoad;
 
 	if(modelPath != "") {
@@ -555,8 +556,9 @@ MainWindow::~MainWindow(){
 	delete fileDialog;
 	fileDialog = NULL;
 
-	delete model;
-	model = NULL;
+	//delete model;
+	//model = NULL;
+	if(renderer) renderer->end();
 
 	delete renderer;
 	renderer = NULL;
@@ -742,7 +744,6 @@ void MainWindow::onClose(wxCloseEvent &event){
 	particleSplashPathList.clear(); // as above
 
 	if(timer) timer->Stop();
-	if(renderer) renderer->end();
 
 	unitParticleSystems.clear();
 	unitParticleSystemTypes.clear();
@@ -752,8 +753,9 @@ void MainWindow::onClose(wxCloseEvent &event){
 	splashParticleSystems.clear(); // as above
 	splashParticleSystemTypes.clear();
 
-	delete model;
-	model = NULL;
+	//delete model;
+	//model = NULL;
+	if(renderer) renderer->end();
 
 	//printf("OnClose about to END\n");
 	//fflush(stdout);
@@ -1112,7 +1114,9 @@ void MainWindow::onMenuFileClearAll(wxCommandEvent &event) {
 		splashParticleSystems.clear(); // as above
 		splashParticleSystemTypes.clear();
 
-		delete model;
+		//delete model;
+		//model = NULL;
+		if(model != NULL && renderer != NULL) renderer->endModel(rsGlobal, model);
 		model = NULL;
 
 		loadUnit("","");
@@ -1284,7 +1288,9 @@ void MainWindow::loadModel(string path) {
             //printf("Loading model [%s] %u of " MG_SIZE_T_SPECIFIER "\n",modelPath.c_str(),idx, this->modelPathList.size());
 
             if(timer) timer->Stop();
-            delete model;
+            //delete model;
+    		if(model != NULL && renderer != NULL) renderer->endModel(rsGlobal, model);
+    		model = NULL;
             model = renderer? renderer->newModel(rsGlobal, modelPath): NULL;
 
             statusbarText = getModelInfo();
@@ -1859,7 +1865,7 @@ void MainWindow::onTimer(wxTimerEvent &event) {
 string MainWindow::getModelInfo() {
 	string str;
 
-	if(model!=NULL){
+	if(model != NULL) {
 		str+= "Meshes: "+intToStr(model->getMeshCount());
 		str+= ", Vertices: "+intToStr(model->getVertexCount());
 		str+= ", Triangles: "+intToStr(model->getTriangleCount());
diff --git a/source/g3d_viewer/renderer.cpp b/source/g3d_viewer/renderer.cpp
index 86266a09..d8b7754e 100644
--- a/source/g3d_viewer/renderer.cpp
+++ b/source/g3d_viewer/renderer.cpp
@@ -200,6 +200,10 @@ Model * Renderer::newModel(ResourceScope rs,const string &path,bool deletePixMap
     return modelManager->newModel(path,deletePixMapAfterLoad,loadedFileList,sourceLoader);
 }
 
+void Renderer::endModel(ResourceScope rs,Model *model) {
+	modelManager->endModel(model);
+}
+
 void Renderer::init() {
 	assertGl();
 
diff --git a/source/g3d_viewer/renderer.h b/source/g3d_viewer/renderer.h
index c70b8eca..f9a88146 100644
--- a/source/g3d_viewer/renderer.h
+++ b/source/g3d_viewer/renderer.h
@@ -147,6 +147,7 @@ public:
 	Texture2D * getNewTexture2D();
 
 	Model *newModel(ResourceScope rs,const string &path,bool deletePixMapAfterLoad=false,std::map<string,vector<pair<string, string> > > *loadedFileList=NULL, string *sourceLoader=NULL);
+	void endModel(ResourceScope rs,Model *model);
 	Texture2D *newTexture2D(ResourceScope rs) { return getNewTexture2D(); }
 
 	void initTextureManager();