diff --git a/fax.sh b/fax.sh
index 903c299..7dae98a 100755
--- a/fax.sh
+++ b/fax.sh
@@ -22,9 +22,11 @@ then
 	echo "Encoding failed"
 	exit 2
 fi
-echo '{"faxlineId":"f0", "recipient":"'${REC}'", "filename":"fax.pdf", "base64Content":"'${CONTENT}'"}' > $BASEPATH/.data.txt
+#save payload to tempfile to prevent curl from throwing 'argument list too long' error.
+echo '{"faxlineId":"f0", "recipient":"'${REC}'", "filename":"fax.pdf", "base64Content":"'${CONTENT}'"}' > $BASEPATH/.data.txt 
 #Send fax
 FAXID=$(curl --request POST --header 'Content-Type: application/json' --header 'Accept: application/json' --header "Authorization: Bearer $AUTH_TOKEN" --data @data.txt "https://api.sipgate.com/v2/sessions/fax" -s | jq '.sessionId' | sed -e 's:"::g' )
+#remove tempfile
 rm $BASEPATH/.data.txt
 if [ -z $FAXID ]
 then