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[kivitendo-erp.git] / bin / mozilla / is.pl

diff --git a/bin/mozilla/is.pl b/bin/mozilla/is.pl
index 797c2600246c59ca15b4e8f861da1fb575c16f8d..b1aa9f3c5dae0079987bcb3b9eb585b3a3b1ce0b 100644 (file)
--- a/bin/mozilla/is.pl
+++ b/bin/mozilla/is.pl
@@ -404,7 +404,7 @@ sub form_footer {
   # follow ups
   if ($form->{id}) {
     $form->{follow_ups}            = FU->follow_ups('trans_id' => $form->{id}) || [];
-    $form->{follow_ups_unfinished} = sum map { $_->{due} * 1 } @{ $form->{follow_ups} };
+    $form->{follow_ups_unfinished} = ( sum map { $_->{due} * 1 } @{ $form->{follow_ups} } ) || 0;
   }
 
   # payments