diff --git a/barcode_service/barcode_service.c b/barcode_service/barcode_service.c
index 9e12c7a..25f0433 100644
--- a/barcode_service/barcode_service.c
+++ b/barcode_service/barcode_service.c
@@ -45,6 +45,7 @@ main(int argc, char **argv)
   }
 
   /* Acquire and send barcodes through the ZMQ socket. */
+  printf("Ready, awaiting barcodes.\n");
   while (true)
   {
     barcode = await_next_barcode(input_fd);