diff --git a/intern/cycles/util/util_texture.h b/intern/cycles/util/util_texture.h
index e5a36ddd0cb..1f0046c354c 100644
--- a/intern/cycles/util/util_texture.h
+++ b/intern/cycles/util/util_texture.h
@@ -26,28 +26,28 @@ CCL_NAMESPACE_BEGIN
 #define TEX_NUM_FLOAT4_IMAGES_CPU	1024
 #define TEX_NUM_FLOAT_IMAGES_CPU	1024
 #define TEX_IMAGE_BYTE4_START_CPU	TEX_NUM_FLOAT4_IMAGES_CPU
-#define TEX_IMAGE_FLOAT_START_CPU	TEX_NUM_FLOAT4_IMAGES_CPU + TEX_NUM_BYTE4_IMAGES_CPU
+#define TEX_IMAGE_FLOAT_START_CPU	(TEX_NUM_FLOAT4_IMAGES_CPU + TEX_NUM_BYTE4_IMAGES_CPU)
 
 /* CUDA (Fermi) */
 #define TEX_NUM_BYTE4_IMAGES_CUDA	88
 #define TEX_NUM_FLOAT4_IMAGES_CUDA	5
 #define TEX_NUM_FLOAT_IMAGES_CUDA	0
 #define TEX_IMAGE_BYTE4_START_CUDA	TEX_NUM_FLOAT4_IMAGES_CUDA
-#define TEX_IMAGE_FLOAT_START_CUDA	TEX_NUM_FLOAT4_IMAGES_CUDA + TEX_NUM_BYTE4_IMAGES_CUDA
+#define TEX_IMAGE_FLOAT_START_CUDA	(TEX_NUM_FLOAT4_IMAGES_CUDA + TEX_NUM_BYTE4_IMAGES_CUDA)
 
 /* CUDA (KEPLER and above) */
 #define TEX_NUM_BYTE4_IMAGES_CUDA_KEPLER	145
 #define TEX_NUM_FLOAT4_IMAGES_CUDA_KEPLER	5
 #define TEX_NUM_FLOAT_IMAGES_CUDA_KEPLER	0
 #define TEX_IMAGE_BYTE4_START_CUDA_KEPLER	TEX_NUM_FLOAT4_IMAGES_CUDA_KEPLER
-#define TEX_IMAGE_FLOAT_START_CUDA_KEPLER	TEX_NUM_FLOAT4_IMAGES_CUDA_KEPLER + TEX_NUM_BYTE4_IMAGES_CUDA_KEPLER
+#define TEX_IMAGE_FLOAT_START_CUDA_KEPLER	(TEX_NUM_FLOAT4_IMAGES_CUDA_KEPLER + TEX_NUM_BYTE4_IMAGES_CUDA_KEPLER)
 
 /* OpenCL */
 #define TEX_NUM_BYTE4_IMAGES_OPENCL		1024
 #define TEX_NUM_FLOAT4_IMAGES_OPENCL	1024
 #define TEX_NUM_FLOAT_IMAGES_OPENCL		0
 #define TEX_IMAGE_BYTE4_START_OPENCL	TEX_NUM_FLOAT4_IMAGES_OPENCL
-#define TEX_IMAGE_FLOAT_START_OPENCL	TEX_NUM_FLOAT4_IMAGES_OPENCL + TEX_NUM_BYTE4_IMAGES_OPENCL
+#define TEX_IMAGE_FLOAT_START_OPENCL	(TEX_NUM_FLOAT4_IMAGES_OPENCL + TEX_NUM_BYTE4_IMAGES_OPENCL)
 
 
 /* Color to use when textures are not found. */