diff --git a/Demos3/GpuDemos/main_opengl3core.cpp b/Demos3/GpuDemos/main_opengl3core.cpp
index 34a2c63fa..03f28a5b6 100644
--- a/Demos3/GpuDemos/main_opengl3core.cpp
+++ b/Demos3/GpuDemos/main_opengl3core.cpp
@@ -48,7 +48,7 @@ static void MyResizeCallback( float width, float height)
 
 b3gWindowInterface* window=0;
 GwenUserInterface* gui  = 0;
-bool gPause = true;
+bool gPause = false;
 bool gReset = false;
 
 enum
@@ -68,7 +68,9 @@ int selectedDemo = 0;
 GpuDemo::CreateFunc* allDemos[]=
 {
 //		ConcaveCompound2Scene::MyCreateFunc,
-		GpuConvexScene::MyCreateFunc,
+//		GpuConvexScene::MyCreateFunc,
+
+	//ConcaveSphereScene::MyCreateFunc,
 	GpuBoxPlaneScene::MyCreateFunc,
 	GpuConvexPlaneScene::MyCreateFunc,
 
diff --git a/src/Bullet3Common/b3Scalar.h b/src/Bullet3Common/b3Scalar.h
index 67c65aaa1..f877d57c3 100644
--- a/src/Bullet3Common/b3Scalar.h
+++ b/src/Bullet3Common/b3Scalar.h
@@ -221,12 +221,12 @@ inline int	b3GetVersion()
 
 		#define B3_FORCE_INLINE inline
 		///@todo: check out alignment methods for other platforms/compilers
-		///#define B3_ATTRIBUTE_ALIGNED16(a) a __attribute__ ((aligned (16)))
-		///#define B3_ATTRIBUTE_ALIGNED64(a) a __attribute__ ((aligned (64)))
-		///#define B3_ATTRIBUTE_ALIGNED128(a) a __attribute__ ((aligned (128)))
-		#define B3_ATTRIBUTE_ALIGNED16(a) a
-		#define B3_ATTRIBUTE_ALIGNED64(a) a
-		#define B3_ATTRIBUTE_ALIGNED128(a) a
+		#define B3_ATTRIBUTE_ALIGNED16(a) a __attribute__ ((aligned (16)))
+		#define B3_ATTRIBUTE_ALIGNED64(a) a __attribute__ ((aligned (64)))
+		#define B3_ATTRIBUTE_ALIGNED128(a) a __attribute__ ((aligned (128)))
+		///#define B3_ATTRIBUTE_ALIGNED16(a) a
+		///#define B3_ATTRIBUTE_ALIGNED64(a) a
+		///#define B3_ATTRIBUTE_ALIGNED128(a) a
 		#ifndef assert
 		#include <assert.h>
 		#endif