fix iso8601 date formatting for yiptv dunning API, RT#35167

diff --git a/FS/FS/Misc/DateTime.pm b/FS/FS/Misc/DateTime.pm
index 56baec3..08cf9a9 100644 (file)
--- a/FS/FS/Misc/DateTime.pm
+++ b/FS/FS/Misc/DateTime.pm
@@ -81,7 +81,7 @@ date and time.
 =cut
 
 sub iso8601 {
-  time2str('%Y-%m-%dT%T', @_);
+  time2str('%Y-%m-%dT%T', shift);
 }
 
 =back