diff --git a/process/files/intradata_get.pl b/process/files/intradata_get.pl
index fa70bc6..349b125 100644
--- a/process/files/intradata_get.pl
+++ b/process/files/intradata_get.pl
@@ -34,6 +34,8 @@ sub create_tree($$)
     if (! -e "$basedir/$year/$project_id/") {
 	mkdir "$basedir/$year/$project_id/";
     }
+
+    return 0;
 }
 
 
@@ -60,7 +62,7 @@ sub update_project
 
     log INFO, "Update $year/$project_id/butler.xml";
 
-    create_tree($project_id, $year);
+    return $_ if (! create_tree($project_id, $year));
 
     open my $out, ">", "$year/$project_id/butler.xml";
     print $out $butler;
@@ -84,6 +86,7 @@ sub process_get
 
     if (! exists $actions{$type}{$action}) {
 	log WARN, "Unknown action '$action' for $type.";
+	return "Unknown action '$action' for $type.";
     }
 
     return $actions{$type}{$action}($args);