X-Git-Url: http://wagnertech.de/gitweb/gitweb.cgi/kivitendo-erp.git/blobdiff_plain/b8db269cbc8beb403ef1fef7868402a0ffeb4b65..a2bab345aedcfbb03bdf0e0aa1f28a5c57a5d02b:/SL/Menu.pm

diff --git a/SL/Menu.pm b/SL/Menu.pm
index f01b341be..6bbcffb9c 100644
--- a/SL/Menu.pm
+++ b/SL/Menu.pm
@@ -103,7 +103,7 @@ sub build_tree {
   my %by_parent;
   # order them by parent
   for my $node ($self->nodes) {
-    push @{ $by_parent{ $node->{parent} } //= [] }, $node;
+    push @{ $by_parent{ $node->{parent} // '' } //= [] }, $node;
   }
 
   my $tree = { };