diff --git a/app/coffee/modules/wiki/main.coffee b/app/coffee/modules/wiki/main.coffee
index d9d2cd15..4a2b87d4 100644
--- a/app/coffee/modules/wiki/main.coffee
+++ b/app/coffee/modules/wiki/main.coffee
@@ -155,7 +155,7 @@ WikiSummaryDirective = ($log, $template, $compile, $translate) ->
                 user = $scope.usersById[wiki.last_modifier]
 
             if user is undefined
-                user = {name: "unknown", imgUrl: "/images/unnamed.png"}
+                user = {name: "unknown", imgUrl: "/images/user-noimage.png"}
             else
                 user = {name: user.full_name_display, imgUrl: user.photo}
 
diff --git a/app/images/user-noimage.png b/app/images/user-noimage.png
new file mode 100644
index 00000000..d779bbd4
Binary files /dev/null and b/app/images/user-noimage.png differ
diff --git a/app/modules/user-timeline/user-timeline-item/user-timeline-item.jade b/app/modules/user-timeline/user-timeline-item/user-timeline-item.jade
index b021cb68..3b26c847 100644
--- a/app/modules/user-timeline/user-timeline-item/user-timeline-item.jade
+++ b/app/modules/user-timeline/user-timeline-item/user-timeline-item.jade
@@ -3,7 +3,7 @@ div.activity-item
     div.activity-info
         div.profile-contact-picture
             a(tg-nav="user-profile:username=vm.activity.user.username", title="{{::vm.activity.user.name }}")
-                img(ng-src="{{::vm.activity.user.photo || '/images/unnamed.png'}}", alt="{{::vm.activity.user.name}}")
+                img(ng-src="{{::vm.activity.user.photo || '/images/user-noimage.png'}}", alt="{{::vm.activity.user.name}}")
 
         p(tg-compile-html="vm.activity.title")