diff --git a/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/background/MonitorBackgroundInfoPanel.java b/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/background/MonitorBackgroundInfoPanel.java
index 9c36ff1..8a6a50e 100644
--- a/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/background/MonitorBackgroundInfoPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/background/MonitorBackgroundInfoPanel.java
@@ -7,7 +7,6 @@ import org.gcube.portlets.user.td.gwtservice.shared.monitor.BackgroundOperationM
 import org.gcube.portlets.user.td.gwtservice.shared.monitor.OperationMonitor;
 import org.gcube.portlets.user.td.gwtservice.shared.monitor.OperationMonitorSession;
 import org.gcube.portlets.user.td.gwtservice.shared.task.WorkerState;
-import org.gcube.portlets.user.td.gwtservice.shared.task.WorkerStateParser;
 import org.gcube.portlets.user.td.monitorwidget.client.details.tree.MonitorBaseDto;
 import org.gcube.portlets.user.td.monitorwidget.client.details.tree.MonitorFolderDto;
 import org.gcube.portlets.user.td.monitorwidget.client.details.tree.MonitorTreeDataGenerator;
@@ -178,7 +177,7 @@ public class MonitorBackgroundInfoPanel extends FramedPanel implements
 					@Override
 					public void setValue(MonitorBaseDto object, String value) {
 						if (object instanceof MonitorValidationJobSDto) {
-							WorkerState workerState = WorkerStateParser.parse(value);
+							WorkerState workerState = WorkerState.get(value);
 							((MonitorValidationJobSDto) object)
 									.setWorkerState(workerState);
 
diff --git a/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/details/MonitorDetailPanel.java b/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/details/MonitorDetailPanel.java
index 2c39c78..cd2c7f3 100644
--- a/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/details/MonitorDetailPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/monitorwidget/client/details/MonitorDetailPanel.java
@@ -5,7 +5,6 @@ import java.util.List;
 
 import org.gcube.portlets.user.td.gwtservice.shared.monitor.OperationMonitor;
 import org.gcube.portlets.user.td.gwtservice.shared.task.WorkerState;
-import org.gcube.portlets.user.td.gwtservice.shared.task.WorkerStateParser;
 import org.gcube.portlets.user.td.monitorwidget.client.custom.ExtendedTreeGridView;
 import org.gcube.portlets.user.td.monitorwidget.client.details.tree.MonitorBaseDto;
 import org.gcube.portlets.user.td.monitorwidget.client.details.tree.MonitorFolderDto;
@@ -135,7 +134,7 @@ public class MonitorDetailPanel extends FramedPanel {
 					@Override
 					public void setValue(MonitorBaseDto object, String value) {
 						if (object instanceof MonitorValidationJobSDto) {
-							WorkerState workerState = WorkerStateParser.parse(value);
+							WorkerState workerState = WorkerState.get(value);
 							((MonitorValidationJobSDto) object)
 									.setWorkerState(workerState);