diff --git a/module/tree/model.php b/module/tree/model.php
index 17baad9782..bd5241c751 100644
--- a/module/tree/model.php
+++ b/module/tree/model.php
@@ -248,6 +248,8 @@ class treeModel extends model
                 {
                     $parentModules = explode(',', trim($module->path, ','));
                     if($type == 'product' and isset($noProductModules[$parentModules[0]])) continue;
+                    /* Fix bug #2007. */
+                    if($type == 'product' and $module->type == 'task' and !isset($modules[$parentModules[0]])) continue;
                     $rootName = ($productNum > 1 and $type == 'product') ? "/$rootModule/" : '/';
                     if($type == 'product' and $module->branch and isset($branchGroups[$id][$module->branch])) $rootName .= $branchGroups[$id][$module->branch] . '/';
                     $this->buildTreeArray($treeMenu, $modules, $module, $rootName);