diff --git a/pbc b/pbc
index fedb3dc..02fa4fa 100755
--- a/pbc
+++ b/pbc
@@ -51,7 +51,7 @@ function pbc-version() {
   return $rc
 }
 
-function pbc-backup() { "$PBC" backup --ns "$PBS_NAMESPACE" "${BACKUP[@]}"; }
+function pbc-backup() { "$PBC" backup --ns "$PBS_NAMESPACE" "${BACKUP[@]}" "$@"; }
 
 function pbc-list() { "$PBC" list --ns "$PBS_NAMESPACE" "$@"; }
 
@@ -284,10 +284,10 @@ export PBS_PASSWORD="$PBS_PASSWORD"
 
 case "$action" in
   backup)
-    pbc-backup || exit $?
+    pbc-backup "${args[@]}" || exit $?
   ;;
   backup-cron)
-    output=$(pbc-backup 2>&1)
+    output=$(pbc-backup "${args[@]}" 2>&1)
     rc=$?
     (( rc != 0 )) && echo "$output" >&2
     exit $rc