diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig
index 766bf495543249e44bfd69d92a31ebd3a69b47cc..9d1cffb57cde20c3f143a529b8bd5a2d6cf114a5 100644
--- a/arch/ia64/configs/tiger_defconfig
+++ b/arch/ia64/configs/tiger_defconfig
@@ -114,7 +114,7 @@ CONFIG_IA64_CYCLONE=y
 CONFIG_IOSAPIC=y
 CONFIG_FORCE_MAX_ZONEORDER=17
 CONFIG_SMP=y
-CONFIG_NR_CPUS=4
+CONFIG_NR_CPUS=16
 CONFIG_HOTPLUG_CPU=y
 CONFIG_PERMIT_BSP_REMOVE=y
 CONFIG_FORCE_CPEI_RETARGET=y