diff --git a/plot.sh b/plot.sh
index 798910c..f041ae1 100644
--- a/plot.sh
+++ b/plot.sh
@@ -3,6 +3,6 @@ do
     gnuplot <<- EOF  
         set term png
         set output "$file.png"
-        plot "$file.txt" with points pointtype 5 notitle
+        plot "$file.txt" with lines notitle
 EOF
 done
\ No newline at end of file