diff --git a/README.md b/README.md
index 0b3d4e7..f96c3e7 100644
--- a/README.md
+++ b/README.md
@@ -65,10 +65,16 @@ cd tutorials
 ../tools/premake5/linux64/premake5 gmake2
 ````
 
-4. Compile using the make file & run.
+4. Compile using the make file.
 ````
-cd build
-make
+make config=release_x64
+````
+
+5. Run a demo.
+````
+cd dist
+export LD_LIBRARY_PATH=../../hiprt/linux64/:$LD_LIBRARY_PATH
+bin/Release/19_primary_ray64
 ````
 
 These tutorials are made to run on both AMD and NVIDIA by specifying the device index. 
diff --git a/tutorials/common/Common.h b/tutorials/common/Common.h
index 55dcec3..bc0dd8f 100644
--- a/tutorials/common/Common.h
+++ b/tutorials/common/Common.h
@@ -129,7 +129,7 @@ HIPRT_HOST_DEVICE HIPRT_INLINE uint2 tea( uint32_t val0, uint32_t val1 )
 		v1 += ( ( v0 << 4 ) + 0xad90777d ) ^ ( v0 + s0 ) ^ ( ( v0 >> 5 ) + 0x7e95761e );
 	}
 
-	return make_uint2( v0, v1 );
+	return { v0, v1 };
 }
 
 HIPRT_HOST_DEVICE HIPRT_INLINE float dot4( const float4& a, const float4& b )