diff --git a/kvmstats/kvmstats b/kvmstats/kvmstats
index 307377c..16aca25 100755
--- a/kvmstats/kvmstats
+++ b/kvmstats/kvmstats
@@ -79,7 +79,7 @@ done | xargs -n5 | {
     test "$SHOW_AVAIL" && {
         nproc
         awk '/^MemTotal:/ { print int($2 / '$((POW / 1024))' ) }' /proc/meminfo
-    } | xargs printf 'AVAILABLE %s %s\n'
+    } | xargs -r printf 'AVAILABLE %s %s\n'
 } | case $FMT in
 'human')
     column -t