diff --git a/shared/attmail.py b/shared/attmail.py
index 4c8af04..6403c91 100755
--- a/shared/attmail.py
+++ b/shared/attmail.py
@@ -26,7 +26,7 @@ msg["Subject"] = subject
 # Add body to email
 body = "This is an example of how you can send a boarding pass in attachment with Python"
 msg.attach(MIMEText(body, "plain"))
-filename = "/var/tmp/keys.zip"
+filename = "/var/tmp/keys.tar"
 # Open PDF file in binary mode
 # We assume that the file is in the directory where you run your Python script from
 with open(filename, "rb") as attachment:
diff --git a/shared/sendkeys b/shared/sendkeys
index ac178cd..e600507 100755
--- a/shared/sendkeys
+++ b/shared/sendkeys
@@ -29,9 +29,9 @@ then
  echo "$0: email the below to requestor"
  echo "--------------------------------"
  cat ${KEYSTORE}/*.pub |sort | uniq
- zip /var/tmp/keys.zip ~/.mykeys/_*.pub
+ tar -cvf /var/tmp/keys.tar ~/.mykeys/_*.pub
  python3 ${BASE}/shared/attmail.py
- rm -f /var/tmp/keys.zip 
+ rm -f /var/tmp/keys.tar 
 else
  echo "ERROR: keystore not found"
 fi