diff --git a/eopayment/systempayv2.py b/eopayment/systempayv2.py
index d25a89f..a6cb30e 100644
--- a/eopayment/systempayv2.py
+++ b/eopayment/systempayv2.py
@@ -135,12 +135,12 @@ PARAMETERS = [
               default=''),
     Parameter('vads_version', 'an', 1, default='V2', needed=True,
               choices=('V2',)),
-    Parameter('vads_url_success', 'ans', 24, max_length=127),
+    Parameter('vads_url_success', 'ans', 24, max_length=1024),
     Parameter('vads_url_referral', 'ans', 26, max_length=127),
-    Parameter('vads_url_refused', 'ans', 25, max_length=127),
-    Parameter('vads_url_cancel', 'ans', 27, max_length=127),
-    Parameter('vads_url_error', 'ans', 29, max_length=127),
-    Parameter('vads_url_return', 'ans', 28, max_length=127),
+    Parameter('vads_url_refused', 'ans', 25, max_length=1024),
+    Parameter('vads_url_cancel', 'ans', 27, max_length=1024),
+    Parameter('vads_url_error', 'ans', 29, max_length=1024),
+    Parameter('vads_url_return', 'ans', 28, max_length=1024),
     Parameter('vads_user_info', 'ans', 61, max_length=255),
     Parameter('vads_contracts', 'ans', 62, max_length=255),
     Parameter(VADS_CUST_FIRST_NAME, 'ans', 104, max_length=63),