diff --git a/latex/yslistings.sty b/latex/yslistings.sty
index e2221d6..12b63b5 100644
--- a/latex/yslistings.sty
+++ b/latex/yslistings.sty
@@ -37,6 +37,7 @@
   {∅}{{∅}}1{ε}{{ε}}1
 }
 \lstdefinestyle{numbers}{numbers = left, xleftmargin=2em}
+\lstdefinestyle{numbers-zero}{numbers = left, xleftmargin=2em, firstnumber=0}
 \lstdefinestyle{nonumbers}{numbers = none}
 \let\nm\|