diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index f09fc0e2062dfdf9b0d2c4d816cd4fada77c4628..7cfcc629a7fd0f89bf56995652aff7d888379549 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -1123,6 +1123,7 @@ source "drivers/s390/char/Kconfig"
 
 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