diff --git a/setup/compiler.class.inc.php b/setup/compiler.class.inc.php
index 22546d72c..1ae74c20f 100644
--- a/setup/compiler.class.inc.php
+++ b/setup/compiler.class.inc.php
@@ -2253,7 +2253,15 @@ EOF
 				$oXMLDoc->save($sTempTargetDir.'/'.$sFileName);
 				$aParameters['definition_file'] = "'".str_replace("'", "\\'", $sFileName)."'";
 			}
-		} else {
+		}  else if($sAttType == 'AttributeClass'){
+			$this->CompileCommonProperty('sql', $oField, $aParameters, $sModuleRelativeDir);
+			$this->CompileCommonProperty('is_null_allowed', $oField, $aParameters, $sModuleRelativeDir, false);
+			$this->CompileCommonProperty('default_value', $oField, $aParameters, $sModuleRelativeDir, '');
+			$this->CompileCommonProperty('allowed_values', $oField, $aParameters, $sModuleRelativeDir);
+			$aParameters['class_category'] = $this->GetPropString($oField, 'class_category');
+			$aParameters['more_values'] = $this->GetPropString($oField, 'more_values');
+			$aParameters['depends_on'] = $sDependencies;
+		}else {
 			$this->CompileCommonProperty('sql', $oField, $aParameters, $sModuleRelativeDir);
 			$this->CompileCommonProperty('is_null_allowed', $oField, $aParameters, $sModuleRelativeDir, false);
 			$this->CompileCommonProperty('default_value', $oField, $aParameters, $sModuleRelativeDir, '');