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-rw-r--r--source3/printing/printing.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/source3/printing/printing.c b/source3/printing/printing.c
index ad5acb1505..a28d95fcc8 100644
--- a/source3/printing/printing.c
+++ b/source3/printing/printing.c
@@ -536,7 +536,10 @@ update the internal database from the system print queue for a queue
****************************************************************************/
static void print_queue_update(int snum)
{
- message_send_pid(background_lpq_updater_pid, MSG_PRINTER_UPDATE, &snum, sizeof(snum), False);
+ if (background_lpq_updater_pid > 0) {
+ message_send_pid(background_lpq_updater_pid, MSG_PRINTER_UPDATE,
+ &snum, sizeof(snum), False);
+ }
}
/****************************************************************************