diff --git a/communication_techniques/parsing.sh b/communication_techniques/parsing.sh
index 0589da6..d8abf5f 100755
--- a/communication_techniques/parsing.sh
+++ b/communication_techniques/parsing.sh
@@ -322,7 +322,9 @@ do
 	gnuplot "$gnuplotFile"
 done
 
-for psFile in images/*.ps
+cd images
+
+for psFile in *.ps
 do 
 	ps2pdf $psFile
 done