diff --git a/workflow/engine/classes/model/AdditionalTables.php b/workflow/engine/classes/model/AdditionalTables.php
index 24a4c063a..14c79148f 100755
--- a/workflow/engine/classes/model/AdditionalTables.php
+++ b/workflow/engine/classes/model/AdditionalTables.php
@@ -400,7 +400,7 @@ class AdditionalTables extends BaseAdditionalTables
             $closure = '';
             $types = array('INTEGER', 'BIGINT', 'SMALLINT', 'TINYINT', 'DECIMAL', 'DOUBLE', 'FLOAT', 'REAL');
             foreach ($aData['FIELDS'] as $aField) {
-	            if (($appUid == "false" && $aField['FLD_NAME'] != 'APP_UID') || ($appUid == "true")) {
+	            if (($appUid == false && $aField['FLD_NAME'] != 'APP_UID') || ($appUid == true)) {
 	                if (in_array($aField['FLD_TYPE'], $types)) {
 	                    if (is_numeric($filter)) {
 	                        $stringOr = $stringOr . '$a = $oCriteria->getNewCriterion(' . $sClassPeerName . '::' . $aField['FLD_NAME'] . ', "' . $filter . '", Criteria::EQUAL)' . $closure . ';';
diff --git a/workflow/engine/controllers/pmTablesProxy.php b/workflow/engine/controllers/pmTablesProxy.php
index 3eb414519..0364b4d0c 100755
--- a/workflow/engine/controllers/pmTablesProxy.php
+++ b/workflow/engine/controllers/pmTablesProxy.php
@@ -421,6 +421,7 @@ class pmTablesProxy extends HttpProxyController
         $start = isset( $httpData->start ) ? $httpData->start : 0;
         $limit = isset( $httpData->limit ) ? $httpData->limit : $limit_size;
         $appUid = isset( $httpData->appUid ) ? $httpData->appUid : false;
+        $appUid = ($appUid == "true") ? true : false;
         $filter = isset( $httpData->textFilter ) ? $httpData->textFilter : '';
         $additionalTables = new AdditionalTables();
         $table = $additionalTables->load( $httpData->id, true );