diff --git a/source/java/org/alfresco/repo/workflow/WorkflowServiceImpl.java b/source/java/org/alfresco/repo/workflow/WorkflowServiceImpl.java
index ab689ac19f..85fbcab889 100644
--- a/source/java/org/alfresco/repo/workflow/WorkflowServiceImpl.java
+++ b/source/java/org/alfresco/repo/workflow/WorkflowServiceImpl.java
@@ -1,28 +1,28 @@
-/*
- * #%L
- * Alfresco Repository
- * %%
- * Copyright (C) 2005 - 2016 Alfresco Software Limited
- * %%
- * This file is part of the Alfresco software. 
- * If the software was purchased under a paid Alfresco license, the terms of 
- * the paid license agreement will prevail.  Otherwise, the software is 
- * provided under the following open source license terms:
- * 
- * Alfresco is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * Alfresco is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public License
- * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
- * #L%
- */
+/*
+ * #%L
+ * Alfresco Repository
+ * %%
+ * Copyright (C) 2005 - 2016 Alfresco Software Limited
+ * %%
+ * This file is part of the Alfresco software. 
+ * If the software was purchased under a paid Alfresco license, the terms of 
+ * the paid license agreement will prevail.  Otherwise, the software is 
+ * provided under the following open source license terms:
+ * 
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ * #L%
+ */
 
 package org.alfresco.repo.workflow;
 
@@ -1291,12 +1291,20 @@ public class WorkflowServiceImpl implements WorkflowService
         List<WorkflowInstance> workflowInstances = new ArrayList<WorkflowInstance>(workflowIds.size());
         for (String workflowId : workflowIds)
         {
-            String engineId = BPMEngineRegistry.getEngineId(workflowId);
-            WorkflowComponent component = getWorkflowComponent(engineId);
-            WorkflowInstance instance = component.getWorkflowById(workflowId);
-            if (instance != null && instance.isActive() == active)
+            try
             {
-                workflowInstances.add(instance);
+                String engineId = BPMEngineRegistry.getEngineId(workflowId);
+                WorkflowComponent component = getWorkflowComponent(engineId);
+                WorkflowInstance instance = component.getWorkflowById(workflowId);
+                if (instance != null && instance.isActive() == active)
+                {
+                    workflowInstances.add(instance);
+                }
+            }
+            catch (WorkflowException componentForEngineNotRegistered)
+            {
+                String message = componentForEngineNotRegistered.getMessage();
+                logger.debug(message + ". Ignored workflow on " + packageItem);
             }
         }
         return workflowInstances;