diff --git a/features/xen/xen.cfg b/features/xen/xen.cfg
index 50d5e46294ca84c73689b44172e2a0d0029c6d12..1f414c08f22de2a679f1b663d37a11b2b323a9e6 100644
--- a/features/xen/xen.cfg
+++ b/features/xen/xen.cfg
@@ -43,3 +43,5 @@ CONFIG_XEN_PRIVCMD=y
 CONFIG_XEN_ACPI_PROCESSOR=m
 CONFIG_XEN_MCE_LOG=y
 CONFIG_XEN_HAVE_PVMMU=y
+CONFIG_XEN_PVCALLS_FRONTEND=y
+CONFIG_XEN_PVCALLS_BACKEND=y