diff --git a/Step.Model/DTOModels/DTOHeadModel.cs b/Step.Model/DTOModels/DTOHeadModel.cs
index 2ca99ed4..bffbd335 100644
--- a/Step.Model/DTOModels/DTOHeadModel.cs
+++ b/Step.Model/DTOModels/DTOHeadModel.cs
@@ -14,6 +14,7 @@ namespace Step.Model.DTOModels
         public bool IsActive;
         public bool IsSelected;
         public bool AbrasiveIsActive;
+        public uint WorkedTime;
 
         public override bool Equals(object obj)
         {
@@ -42,8 +43,12 @@ namespace Step.Model.DTOModels
                 return false;
 
             if (AbrasiveIsActive != item.AbrasiveIsActive)
+                return false;
+
+            if (WorkedTime != item.WorkedTime)
                 return false;
 
+
             return true;
         }
 
@@ -66,7 +71,6 @@ namespace Step.Model.DTOModels
         public ushort MountedTool;
         public bool Configured;
         public ROTATION Rotation;
-        public uint WorkedTime;
         public DTOToolInSpindleModel ToolData;
 
         public override bool Equals(object obj)
@@ -93,9 +97,6 @@ namespace Step.Model.DTOModels
             if (Rotation != item.Rotation)
                 return false;
 
-            if (WorkedTime != item.WorkedTime)
-                return false;
-
             // Call Parent equals
             return base.Equals(item);
         }
diff --git a/Step.NC/NcHandler.cs b/Step.NC/NcHandler.cs
index a76b1f6a..a1516121 100644
--- a/Step.NC/NcHandler.cs
+++ b/Step.NC/NcHandler.cs
@@ -875,7 +875,8 @@ namespace Step.NC
                                 Override = head.Override,
                                 IsActive = head.IsActive,
                                 IsSelected = head.IsSelected,
-                                AbrasiveIsActive = head.AbrasiveIsActive
+                                AbrasiveIsActive = head.AbrasiveIsActive,
+                                WorkedTime = head.WorkedTime
                             });
                         }
                         break;
@@ -894,7 +895,8 @@ namespace Step.NC
                                 Override = head.Override,
                                 IsActive = head.IsActive,
                                 IsSelected = head.IsSelected,
-                                AbrasiveIsActive = head.AbrasiveIsActive
+                                AbrasiveIsActive = head.AbrasiveIsActive,
+                                WorkedTime = head.WorkedTime
                             });
                         }
                         break;
diff --git a/Step/wwwroot/src/app_modules/production/components/head-production.vue b/Step/wwwroot/src/app_modules/production/components/head-production.vue
index a5686e93..e824d623 100644
--- a/Step/wwwroot/src/app_modules/production/components/head-production.vue
+++ b/Step/wwwroot/src/app_modules/production/components/head-production.vue
@@ -122,7 +122,7 @@ export default {
           return true;
         },
         getWorkedTime() {
-          return moment.utc(this.workedTime*1000).format('HH:mm:ss');
+          return this.workedTime;
         }