diff --git a/eisgenerator_plot b/eisgenerator_plot
index 5558854afc28f8106696ac9f4c81234bb0b154db..57eeb0c6d62ab0507801037037d0a826bfff1e58 100755
--- a/eisgenerator_plot
+++ b/eisgenerator_plot
@@ -10,4 +10,4 @@ then
 	exit
 fi
 
-eisgenerator_export -q $@ | gnuplot -p -e "set datafile separator ','; plot '-' using 2:3 w l"
+eisgenerator_export -q "$@" | gnuplot -p -e "set datafile separator ','; plot '-' using 2:3 w l"