diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 361d540..973e686 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -38,9 +38,6 @@
 	bool
 	default y
 
-config GENERIC_IOMAP
-	def_bool MMU
-
 config TIME_LOW_RES
 	bool
 	default y
@@ -73,6 +70,7 @@
 config MMU
 	bool "MMU-based Paged Memory Management Support"
 	default y
+	select GENERIC_IOMAP
 	help
 	  Select if you want MMU-based virtualised addressing space
 	  support by paged memory management. If unsure, say 'Y'.