diff --git a/fax.sh b/fax.sh
index 6962bad..903c299 100755
--- a/fax.sh
+++ b/fax.sh
@@ -22,12 +22,14 @@ then
 	echo "Encoding failed"
 	exit 2
 fi
-DATA='{"faxlineId":"f0", "recipient":"'${REC}'", "filename":"fax.pdf", "base64Content":"'${CONTENT}'"}'
+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" "https://api.sipgate.com/v2/sessions/fax" -s | jq '.sessionId' | sed -e 's:"::g' )
+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' )
+rm $BASEPATH/.data.txt
 if [ -z $FAXID ]
 then
 	echo "Something went wrong, I didn't receive some fax id back."
+	exit 2
 else
 	echo "Sipgate took your fax as sessionID $FAXID"
 	echo "$FAXID" >> $BASEPATH/.fax_history