diff --git a/source/gameengine/GamePlayer/ghost/GPG_Application.cpp b/source/gameengine/GamePlayer/ghost/GPG_Application.cpp
index fd47df7f770..0d2aa774394 100644
--- a/source/gameengine/GamePlayer/ghost/GPG_Application.cpp
+++ b/source/gameengine/GamePlayer/ghost/GPG_Application.cpp
@@ -435,10 +435,12 @@ bool GPG_Application::processEvent(GHOST_IEvent* event)
 					m_exitRequested = m_ketsjiengine->GetExitCode();
 					
 					// kick the engine
-					m_ketsjiengine->NextFrame();
-					
-					// render the frame
-					m_ketsjiengine->Render();
+					bool renderFrame = m_ketsjiengine->NextFrame();
+					if (renderFrame)
+					{
+						// render the frame
+						m_ketsjiengine->Render();
+					}
 				}
 				m_exitString = m_ketsjiengine->GetExitString();
 			}
@@ -496,6 +498,9 @@ bool GPG_Application::initEngine(GHOST_IWindow* window, const int stereoMode)
 		bool profile = (SYS_GetCommandLineInt(syshandle, "show_profile", 0) != 0);
 		bool fixedFr = (G.fileflags & G_FILE_ENABLE_ALL_FRAMES);
 
+		bool showPhysics = (G.fileflags & G_FILE_SHOW_PHYSICS);
+		SYS_WriteCommandLineInt(syshandle, "show_physics", showPhysics);
+
 		bool fixed_framerate= (SYS_GetCommandLineInt(syshandle, "fixed_framerate", fixedFr) != 0);
 		bool frameRate = (SYS_GetCommandLineInt(syshandle, "show_framerate", 0) != 0);
 		bool useVertexArrays = SYS_GetCommandLineInt(syshandle,"vertexarrays",1) != 0;
diff --git a/source/gameengine/Ketsji/KX_ISceneConverter.h b/source/gameengine/Ketsji/KX_ISceneConverter.h
index 2727ce7746e..2e4250dfe1e 100644
--- a/source/gameengine/Ketsji/KX_ISceneConverter.h
+++ b/source/gameengine/Ketsji/KX_ISceneConverter.h
@@ -39,7 +39,7 @@ class KX_ISceneConverter
 {
 
 public:
-	KX_ISceneConverter() {}
+	KX_ISceneConverter() :addInitFromFrame(false) {}//this addInitFromFrame is a back hack, todo remove
 	virtual ~KX_ISceneConverter () {};
 
 	/*
diff --git a/source/gameengine/Physics/Bullet/CcdPhysicsController.cpp b/source/gameengine/Physics/Bullet/CcdPhysicsController.cpp
index d3eb4db6f35..ecb6c8d9dcf 100644
--- a/source/gameengine/Physics/Bullet/CcdPhysicsController.cpp
+++ b/source/gameengine/Physics/Bullet/CcdPhysicsController.cpp
@@ -368,8 +368,14 @@ void		CcdPhysicsController::setScaling(float scaleX,float scaleY,float scaleZ)
 		if (m_body && m_body->getCollisionShape())
 		{
 			m_body->getCollisionShape()->setLocalScaling(m_cci.m_scaling);
-			m_body->getCollisionShape()->calculateLocalInertia(m_cci.m_mass, m_cci.m_localInertiaTensor);
-			m_body->setMassProps(m_cci.m_mass, m_cci.m_localInertiaTensor * m_cci.m_inertiaFactor);
+			
+			//printf("no inertia recalc for fixed objects with mass=0\n");
+			if (m_cci.m_mass)
+			{
+				m_body->getCollisionShape()->calculateLocalInertia(m_cci.m_mass, m_cci.m_localInertiaTensor);
+				m_body->setMassProps(m_cci.m_mass, m_cci.m_localInertiaTensor * m_cci.m_inertiaFactor);
+			} 
+			
 		}
 	}
 }