diff --git a/app/assets/javascripts/admin/models/report.js.es6 b/app/assets/javascripts/admin/models/report.js.es6
index 5f70b66e6d3..aceed0eef30 100644
--- a/app/assets/javascripts/admin/models/report.js.es6
+++ b/app/assets/javascripts/admin/models/report.js.es6
@@ -319,7 +319,7 @@ const Report = Discourse.Model.extend({
     });
 
     const avatarImg = renderAvatar(user, {
-      imageSize: "small",
+      imageSize: "tiny",
       ignoreTitle: true
     });
 
diff --git a/test/javascripts/models/report-test.js.es6 b/test/javascripts/models/report-test.js.es6
index 3d9e72ed5fd..35a0419bd40 100644
--- a/test/javascripts/models/report-test.js.es6
+++ b/test/javascripts/models/report-test.js.es6
@@ -456,7 +456,7 @@ QUnit.test("computed labels", assert => {
   const computedUsernameLabel = usernameLabel.compute(row);
   assert.equal(
     computedUsernameLabel.formatedValue,
-    "<a href='/admin/users/1/joffrey'><img alt='' width='25' height='25' src='/' class='avatar' title='joffrey'><span class='username'>joffrey</span></a>"
+    "<a href='/admin/users/1/joffrey'><img alt='' width='20' height='20' src='/' class='avatar' title='joffrey'><span class='username'>joffrey</span></a>"
   );
   assert.equal(computedUsernameLabel.type, "user");
   assert.equal(computedUsernameLabel.value, "joffrey");