diff --git a/latex/ystikz.sty b/latex/ystikz.sty
index 3611dcc..750d510 100644
--- a/latex/ystikz.sty
+++ b/latex/ystikz.sty
@@ -18,6 +18,7 @@
 \usetikzlibrary{babel}
 \usetikzlibrary{shapes.geometric}
 \usetikzlibrary{automata}
+\tikzset{>=latex}
 \ifluatex
   \usetikzlibrary{graphdrawing}
   %
@@ -64,7 +65,7 @@
       inner sep=0pt,
       minimum size=.5cm,
       font=\scriptsize,
-      edge=->,
+      edge=-latex,
       anchor=north
     }
   },