diff --git a/eopayment/tipi.py b/eopayment/tipi.py
index 542e767..1eb73de 100644
--- a/eopayment/tipi.py
+++ b/eopayment/tipi.py
@@ -9,7 +9,7 @@ from gettext import gettext as _
 import logging
 import warnings
 
-from systempayv2 import isonow
+from .systempayv2 import isonow
 
 __all__ = ['Payment']