diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index 9daf62795e..2270a520d6 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -2891,6 +2891,7 @@ virCgroupNewMachine(const char *name ATTRIBUTE_UNUSED,
                     int *nicindexes ATTRIBUTE_UNUSED,
                     const char *partition ATTRIBUTE_UNUSED,
                     int controllers ATTRIBUTE_UNUSED,
+                    unsigned int maxthreads ATTRIBUTE_UNUSED,
                     virCgroupPtr *group ATTRIBUTE_UNUSED)
 {
     virReportSystemError(ENXIO, "%s",