diff --git a/public_html/deployment/pages/act_build.php b/public_html/deployment/pages/act_build.php
index e22bc21ce66d852ee1cbae29c3d319429d938e15..6d03699eda0e3cd0ae971fb54efb620091412ca6 100644
--- a/public_html/deployment/pages/act_build.php
+++ b/public_html/deployment/pages/act_build.php
@@ -46,7 +46,7 @@ if (!array_key_exists("confirm", $aParams)) {
 
     $sRevison = false;
     $aRepodata = $oPrj->getRepoRevision(true);
-    if (array_key_exists("revision", $aRepodata)) {
+    if (isset($aRepodata["revision"])) {
         $sRevison = $aRepodata["revision"];
         if (
                 array_key_exists("revision", $aPhaseData2["onhold"]) && $aPhaseData2["onhold"]["revision"] == $sRevison