diff --git a/draw_plots.sh b/draw_plots.sh
index f8accdc..b2e2c2c 100644
--- a/draw_plots.sh
+++ b/draw_plots.sh
@@ -12,6 +12,6 @@ do
         set term png
         set title "Graph - ${FILE}"
         set output "${FILE}.png"
-        plot "${FILE}.txt"
+        plot "${FILE}.txt" using 1 with points pointtype 5
 EOF
 done