diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index f09fc0e..7cfcc62 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -1123,6 +1123,7 @@
 
 config RAMOOPS
 	tristate "Log panic/oops to a RAM buffer"
+	depends on HAS_IOMEM
 	default n
 	help
 	  This enables panic and oops messages to be logged to a circular