1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/isdn/Kconfig b/drivers/isdn/Kconfig
index a3c9a0343129..cf906c8cee4d 100644
--- a/drivers/isdn/Kconfig
+++ b/drivers/isdn/Kconfig
@@ -57,8 +57,12 @@ config ISDN_CAPI
           hardware, see <http://www.capi.org/>.  This is needed for AVM's set
           of active ISDN controllers like B1, T1, M1.
 
+if ISDN_CAPI
+
 source "drivers/isdn/capi/Kconfig"
 
 source "drivers/isdn/hardware/Kconfig"
 
+endif # ISDN_CAPI
+
 endif # ISDN