diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index f55ccd1161f3..43c1c880def6 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -356,7 +356,8 @@ config NR_CPUS
 	int "Maximum number of CPUs (2-32)"
 	range 2 32
 	depends on SMP
-	default "4"
+	default "4" if 64BIT
+	default "16"
 
 config KEXEC
 	bool "Kexec system call"