diff --git a/main/plugins/org.talend.core/src/main/java/org/talend/core/CoreService.java b/main/plugins/org.talend.core/src/main/java/org/talend/core/CoreService.java
index a0fa538657..b96979a798 100644
--- a/main/plugins/org.talend.core/src/main/java/org/talend/core/CoreService.java
+++ b/main/plugins/org.talend.core/src/main/java/org/talend/core/CoreService.java
@@ -54,6 +54,7 @@ import org.talend.core.model.metadata.QueryUtil;
 import org.talend.core.model.metadata.builder.ConvertionHelper;
 import org.talend.core.model.metadata.builder.connection.MetadataTable;
 import org.talend.core.model.process.ElementParameterParser;
+import org.talend.core.model.process.ProcessUtils;
 import org.talend.core.model.properties.Item;
 import org.talend.core.model.relationship.RelationshipItemBuilder;
 import org.talend.core.model.repository.IRepositoryViewObject;
@@ -279,9 +280,10 @@ public class CoreService implements ICoreService {
             ICodeGeneratorService codeGenService = (ICodeGeneratorService) GlobalServiceRegister.getDefault().getService(
                     ICodeGeneratorService.class);
             codeGenService.createRoutineSynchronizer().syncAllRoutinesForLogOn();
-            codeGenService.createRoutineSynchronizer().syncAllPigudfForLogOn();
+            if (ProcessUtils.isRequiredPigUDFs(null)) {
+                codeGenService.createRoutineSynchronizer().syncAllPigudfForLogOn();
+            }
         }
-
     }
 
     @Override