diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 9ffb542..779f340 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -773,7 +773,7 @@ static unsigned char ibm_architecture_vec[] = {
 	 * must match by the macro below. Update the definition if
 	 * the structure layout changes.
 	 */
-#define IBM_ARCH_VEC_NRCORES_OFFSET	101
+#define IBM_ARCH_VEC_NRCORES_OFFSET	117
 	W(NR_CPUS),			/* number of cores supported */
 	0,
 	0,