diff --git a/app/modules/user-timeline/user-timeline-item/user-timeline-item.controller.coffee b/app/modules/user-timeline/user-timeline-item/user-timeline-item.controller.coffee
index 08a57487..c1e9cde6 100644
--- a/app/modules/user-timeline/user-timeline-item/user-timeline-item.controller.coffee
+++ b/app/modules/user-timeline/user-timeline-item/user-timeline-item.controller.coffee
@@ -6,6 +6,7 @@ class UserTimelineItemController
 
     constructor: (@userTimelineItemType, @userTimelineItemTitle) ->
         timeline = @.timeline.toJS()
+
         event = @.parseEventType(timeline.event_type)
         type = @userTimelineItemType.getType(timeline, event)
 
diff --git a/app/modules/user-timeline/user-timeline/user-timeline.service.coffee b/app/modules/user-timeline/user-timeline/user-timeline.service.coffee
index 2672c735..93841005 100644
--- a/app/modules/user-timeline/user-timeline/user-timeline.service.coffee
+++ b/app/modules/user-timeline/user-timeline/user-timeline.service.coffee
@@ -5,6 +5,48 @@ class UserTimelineService extends taiga.Service
 
     constructor: (@rs) ->
 
+    _invalid: [
+        {# Items with only invalid fields
+            check: (timeline) ->
+                values_diff = timeline.get("data").get("values_diff")
+
+                if values_diff
+                    values = Object.keys(values_diff.toJS())
+
+                if values && values.length
+                    if _.every(values, (value) => @._valid_fields.indexOf(value) == -1)
+                        return true
+                    else if values[0] == 'attachments' &&
+                         values_diff.get('attachments').get('new').size == 0
+                        return true
+
+                return false
+        },
+        {# Deleted
+            check: (timeline) ->
+                event = timeline.get('event_type').split(".")
+                return event[2] == 'delete'
+        },
+        {# Project change
+            check: (timeline) ->
+                event = timeline.get('event_type').split(".")
+                return event[1] == 'project' && event[2] == 'change'
+        },
+        {# Comment deleted
+            check: (timeline) ->
+                return !!timeline.get("data").get("comment_deleted")
+        },
+        {# Task milestone
+            check: (timeline) ->
+                event = timeline.get('event_type').split(".")
+
+                if event[1] == "task" && event[2] == "change"
+                    return timeline.get("data").get("values_diff").get("milestone")
+
+                return false
+        }
+    ]
+
     _valid_fields: [
         'status',
         'subject',
@@ -24,50 +66,26 @@ class UserTimelineService extends taiga.Service
         'estimated_start'
     ]
 
-    _isValidField: (values) ->
-        return _.some values, (value) => @._valid_fields.indexOf(value) != -1
-
-    _isValidEvent: (event) ->
-        event = event.split(".")
-
-        return event[2] != 'delete' && !(event[1] == 'project' && event[2] == 'change')
-
-    _filterValidTimelineItems: (timeline) ->
-        if timeline.get("data")
-            values = []
-            values_diff = timeline.get("data").get("values_diff")
-
-            if values_diff
-                values = Object.keys(values_diff.toJS())
-
-            if values && values.length
-                if !@._isValidField(values)
-                    return false
-                else if values[0] == 'attachments' &&
-                     values_diff.get('attachments').get('new').size == 0
-                    return false
-
-            if timeline.get("data").get("comment_deleted")
-                return false
-
-        if !@._isValidEvent(timeline.get('event_type'))
-            return false
-
-        return true
+    _isInValidTimeline: (timeline) ->
+        return _.some @._invalid, (invalid) =>
+            return invalid.check.call(this, timeline)
 
     getProfileTimeline: (userId, page) ->
         return @rs.users.getProfileTimeline(userId, page)
             .then (result) =>
-                return result.filter (timeline) => @._filterValidTimelineItems(timeline)
+                return result.filterNot (timeline) =>
+                    return @._isInValidTimeline(timeline)
 
     getUserTimeline: (userId, page) ->
         return @rs.users.getUserTimeline(userId, page)
             .then (result) =>
-                return result.filter (timeline) => @._filterValidTimelineItems(timeline)
+                return result.filterNot (timeline) =>
+                    return @._isInValidTimeline(timeline)
 
     getProjectTimeline: (projectId, page) ->
         return @rs.projects.getTimeline(projectId, page)
             .then (result) =>
-                return result.filter (timeline) => @._filterValidTimelineItems(timeline)
+                return result.filterNot (timeline) =>
+                    return @._isInValidTimeline(timeline)
 
 angular.module("taigaUserTimeline").service("tgUserTimelineService", UserTimelineService)
diff --git a/app/modules/user-timeline/user-timeline/user-timeline.service.spec.coffee b/app/modules/user-timeline/user-timeline/user-timeline.service.spec.coffee
index 97cb18bd..528ddbac 100644
--- a/app/modules/user-timeline/user-timeline/user-timeline.service.spec.coffee
+++ b/app/modules/user-timeline/user-timeline/user-timeline.service.spec.coffee
@@ -122,6 +122,22 @@ describe "tgUserTimelineService", ->
                         "subject": "xx"
                     }
                 }
+            },
+            { # valid item
+                event_type: "xx.task.change",
+                data: {
+                    values_diff: {
+                        "name": "xx"
+                    }
+                }
+            },
+            { # invalid item
+                event_type: "xx.task.change",
+                data: {
+                    values_diff: {
+                        "milestone": "xx"
+                    }
+                }
             }
         ]
 
@@ -140,10 +156,11 @@ describe "tgUserTimelineService", ->
             .then (_items_) ->
                 items = _items_.toJS()
 
-                expect(items).to.have.length(3)
+                expect(items).to.have.length(4)
                 expect(items[0]).to.be.eql(valid_items[0])
                 expect(items[1]).to.be.eql(valid_items[3])
                 expect(items[2]).to.be.eql(valid_items[5])
+                expect(items[3]).to.be.eql(valid_items[9])
 
                 done()
 
@@ -164,10 +181,11 @@ describe "tgUserTimelineService", ->
             .then (_items_) ->
                 items = _items_.toJS()
 
-                expect(items).to.have.length(3)
+                expect(items).to.have.length(4)
                 expect(items[0]).to.be.eql(valid_items[0])
                 expect(items[1]).to.be.eql(valid_items[3])
                 expect(items[2]).to.be.eql(valid_items[5])
+                expect(items[3]).to.be.eql(valid_items[9])
 
                 done()
 
@@ -188,11 +206,11 @@ describe "tgUserTimelineService", ->
             .then (_items_) ->
                 items = _items_.toJS()
 
-                expect(items).to.have.length(3)
+                expect(items).to.have.length(4)
                 expect(items[0]).to.be.eql(valid_items[0])
                 expect(items[1]).to.be.eql(valid_items[3])
                 expect(items[2]).to.be.eql(valid_items[5])
-
+                expect(items[3]).to.be.eql(valid_items[9])
                 done()
 
         $rootScope.$apply()