diff --git a/api.py b/api.py
index f1466f2..828003c 100644
--- a/api.py
+++ b/api.py
@@ -63,7 +63,8 @@ def print_bill(data, address):
     printer.text(text)
     printer.ln()
     #printer.text('\n')
-    if d['payments']:
+    #if d['payments']:
+    if 'payments' in d.keys():
         printer.textln("Pagos: ")
         printer.text('------------------------\n')
         for payment in d['payments']: