1 files changed, 1 insertions, 0 deletions
diff --git a/LedgerSMB/Form.pm b/LedgerSMB/Form.pm
index bfdf7d7f..5771e124 100644
--- a/LedgerSMB/Form.pm
+++ b/LedgerSMB/Form.pm
@@ -1418,6 +1418,7 @@ sub add_date {
 
             $mm = ( $diff % 12 );
             $mm = '12' if $mm == 0;
+            $yy-- if $mm == 12;
             $diff = 0;
         }