diff --git a/kvmstats.sh b/kvmstats.sh
index 79399a0..f2d117f 100644
--- a/kvmstats.sh
+++ b/kvmstats.sh
@@ -48,8 +48,8 @@ do
     fi
 done
 
-TMPFILE=$(tempfile)
-LVSOUT=$(tempfile)
+TMPFILE=$(tempfile -s kvmstats)
+LVSOUT=$(tempfile -s kvmstats)
 
 lvs --units b --nosuffix >"$LVSOUT"