diff --git a/intern/cycles/kernel/kernel_compat_opencl.h b/intern/cycles/kernel/kernel_compat_opencl.h
index 8346b09619e..9e58ebff599 100644
--- a/intern/cycles/kernel/kernel_compat_opencl.h
+++ b/intern/cycles/kernel/kernel_compat_opencl.h
@@ -68,6 +68,9 @@
 #ifdef make_int4
 #undef make_int4
 #endif
+#ifdef make_uchar4
+#undef make_uchar4
+#endif
 
 #define make_float2(x, y) ((float2)(x, y))
 #ifdef __CL_NO_FLOAT3__
@@ -79,6 +82,7 @@
 #define make_int2(x, y) ((int2)(x, y))
 #define make_int3(x, y, z) ((int3)(x, y, z))
 #define make_int4(x, y, z, w) ((int4)(x, y, z, w))
+#define make_uchar4(x, y, z, w) ((uchar4)(x, y, z, w))
 
 /* math functions */
 #define __uint_as_float(x) as_float(x)