diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index 836ac5a963c83140d18dcd762459d19e1fd0c101..2841c0a3fd3bb201a4bed53d823858b32a0a009b 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -276,6 +276,7 @@ source "kernel/Kconfig.preempt"
 
 config SMP
 	bool "Symmetric multi-processing support"
+	depends on MMU
 	---help---
 	  This enables support for systems with more than one CPU. If you have
 	  a system with only one CPU, say N. If you have a system with more