diff --git a/plot.sh b/plot.sh
index f825867..798910c 100644
--- a/plot.sh
+++ b/plot.sh
@@ -2,7 +2,7 @@ for file in wer srr
 do
     gnuplot <<- EOF  
         set term png
-        set output "file.png"
-        plot "file.txt" with points pointtype 5 notitle
+        set output "$file.png"
+        plot "$file.txt" with points pointtype 5 notitle
 EOF
 done
\ No newline at end of file