diff --git a/client-barcode/freitagskasse.py b/client-barcode/freitagskasse.py
index 40c38bf..3f67de2 100644
--- a/client-barcode/freitagskasse.py
+++ b/client-barcode/freitagskasse.py
@@ -579,8 +579,8 @@ def main():
 		if not l:
 			break
 		line = l.rstrip()
-		print_display('\x0cBarcode:\n%20s' % line[:20])
 		if line:
+			print_display('\x0cBarcode:\n%20s' % line[:20])
 			handle(line, status)