diff -up ctffind-4.1.5/bin/ctffind_plot_results.sh.orig ctffind-4.1.5/bin/ctffind_plot_results.sh
--- ctffind-4.1.5/bin/ctffind_plot_results.sh.orig	2016-09-10 01:15:04.000000000 +1000
+++ ctffind-4.1.5/bin/ctffind_plot_results.sh	2016-11-24 08:43:05.493212937 +1000
@@ -141,6 +141,8 @@ if hash pdftk 2>/dev/null; then
 	echo "InfoValue: $1" >> /tmp/pdftemp.txt
 	mv ${output_fn} /tmp/tmp.pdf
 	pdftk /tmp/tmp.pdf update_info /tmp/pdftemp.txt output $output_fn
+elif hash exiftool 2> /dev/null; then
+	exiftool -Title="$1" $output_fn
 else
 	echo "pdftk was not found on your system. Please install it to get improved metadata in your output PDF file."
 fi