diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 945c15a0722b..cb7fc19ff080 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -254,8 +254,8 @@ config SMP
 	  If you don't know what to do here, say N.
 
 config NR_CPUS
-	int "Maximum number of CPUs (2-512)"
-	range 2 512
+	int "Maximum number of CPUs (2-1024)"
+	range 2 1024
 	depends on SMP
 	default "64"
 	help