diff --git a/config/s390x/vanilla b/config/s390x/vanilla
index 0e11cd7..8a95d77 100644
--- a/config/s390x/vanilla
+++ b/config/s390x/vanilla
@@ -4139,3 +4139,4 @@ CONFIG_VHOST_TASK=y
 CONFIG_VIDEO_CMDLINE=y
 CONFIG_XFS_SUPPORT_ASCII_CI=y
 CONFIG_VFIO_CCW=m
+CONFIG_SMBFS=m