1 files changed, 1 insertions, 0 deletions
diff --git a/LedgerSMB/AM.pm b/LedgerSMB/AM.pm
index 751b015f..dfc16c19 100755
--- a/LedgerSMB/AM.pm
+++ b/LedgerSMB/AM.pm
@@ -1698,6 +1698,7 @@ sub closebooks {
         else {
             $val = 0;
         }
+        $val = undef if ($_ eq 'closedto' and $val == 0); 
         $sth->execute( $val, $_ );
     }