diff --git a/public_html/deployment/classes/project.class.php b/public_html/deployment/classes/project.class.php
index d6bf2ed9f8162cd5f8cf2c8a391f0259a1729e67..596e776addc128ea2f0669dc30531b623759ce55 100644
--- a/public_html/deployment/classes/project.class.php
+++ b/public_html/deployment/classes/project.class.php
@@ -534,7 +534,7 @@ class project extends base {
      * @return string
      */
     public function getProjectGroup() {
-        return isset($this->_aPrjConfig["projectgroup"]) && $this->_aPrjConfig["projectgroup"] ? $this->_aPrjConfig["projectgroup"] : false;
+        return isset($this->_aPrjConfig["projectgroup"]) && $this->_aPrjConfig["projectgroup"]!='-1' ? $this->_aPrjConfig["projectgroup"] : false;
     }
     /**
      * get the group label of the project