Limit scrypt to 1 vector.
diff --git a/ocl.c b/ocl.c
index 675a31c..16f23f0 100644
--- a/ocl.c
+++ b/ocl.c
@@ -420,6 +420,8 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
case KL_SCRYPT:
strcpy(filename, SCRYPT_KERNNAME".cl");
strcpy(binaryfilename, SCRYPT_KERNNAME);
+ /* Scrypt only supports vector 1 */
+ gpus[gpu].vwidth = 1;
break;
case KL_NONE: /* Shouldn't happen */
case KL_DIABLO: