diff --git a/src/scripts/backupapp.sh b/src/scripts/backupapp.sh
index bca3782c4..ecef4f68b 100755
--- a/src/scripts/backupapp.sh
+++ b/src/scripts/backupapp.sh
@@ -40,7 +40,7 @@ if [[ "$1" == "s3" ]]; then
     readonly password="$9"
 
     if [ $# -gt 9 ]; then
-        export AWS_SESSION_TOKEN="$10"
+        export AWS_SESSION_TOKEN="${10}"
     fi
 fi