diff --git a/src/test/scala/view/AvatarImageProviderSpec.scala b/src/test/scala/view/AvatarImageProviderSpec.scala
index a331704..079771a 100644
--- a/src/test/scala/view/AvatarImageProviderSpec.scala
+++ b/src/test/scala/view/AvatarImageProviderSpec.scala
@@ -15,24 +15,24 @@
       implicit val context = app.Context(createSystemSettings(true), None, null)
       val provider = new AvatarImageProviderImpl(Some(createAccount(None)))
 
-      provider.toHtml("user", 20).toString mustEqual
-        "<img src=\"https://www.gravatar.com/avatar/d41d8cd98f00b204e9800998ecf8427e?s=20&d=retro&r=g\" class=\"avatar\" style=\"width: 20px; height: 20px;\" />"
+      provider.toHtml("user", 32).toString mustEqual
+        "<img src=\"https://www.gravatar.com/avatar/d41d8cd98f00b204e9800998ecf8427e?s=32&d=retro&r=g\" class=\"avatar\" style=\"width: 32px; height: 32px;\" />"
     }
 
     "show uploaded image even if gravatar integration is enabled" in {
       implicit val context = app.Context(createSystemSettings(true), None, null)
       val provider = new AvatarImageProviderImpl(Some(createAccount(Some("icon.png"))))
 
-      provider.toHtml("user", 20).toString mustEqual
-        "<img src=\"/user/_avatar\" class=\"avatar\" style=\"width: 20px; height: 20px;\" />"
+      provider.toHtml("user", 32).toString mustEqual
+        "<img src=\"/user/_avatar\" class=\"avatar\" style=\"width: 32px; height: 32px;\" />"
     }
 
     "show local image for no image account if gravatar integration is disabled" in {
       implicit val context = app.Context(createSystemSettings(false), None, null)
       val provider = new AvatarImageProviderImpl(Some(createAccount(None)))
 
-      provider.toHtml("user", 20).toString mustEqual
-        "<img src=\"/user/_avatar\" class=\"avatar\" style=\"width: 20px; height: 20px;\" />"
+      provider.toHtml("user", 32).toString mustEqual
+        "<img src=\"/user/_avatar\" class=\"avatar\" style=\"width: 32px; height: 32px;\" />"
     }
 
     "show Gravatar image for specified mail address if gravatar integration is enabled" in {
@@ -40,7 +40,7 @@
       val provider = new AvatarImageProviderImpl(None)
 
       provider.toHtml("user", 20, "hoge@hoge.com").toString mustEqual
-        "<img src=\"https://www.gravatar.com/avatar/4712f9b0e63f56ad952ad387eaa23b9c?s=20&d=retro&r=g\" class=\"avatar\" style=\"width: 20px; height: 20px;\" />"
+        "<img src=\"https://www.gravatar.com/avatar/4712f9b0e63f56ad952ad387eaa23b9c?s=20&d=retro&r=g\" class=\"avatar-mini\" style=\"width: 20px; height: 20px;\" />"
     }
 
     "show unknown image for unknown user if gravatar integration is enabled" in {
@@ -48,7 +48,7 @@
       val provider = new AvatarImageProviderImpl(None)
 
       provider.toHtml("user", 20).toString mustEqual
-        "<img src=\"/_unknown/_avatar\" class=\"avatar\" style=\"width: 20px; height: 20px;\" />"
+        "<img src=\"/_unknown/_avatar\" class=\"avatar-mini\" style=\"width: 20px; height: 20px;\" />"
     }
 
     "show unknown image for specified mail address if gravatar integration is disabled" in {
@@ -56,7 +56,7 @@
       val provider = new AvatarImageProviderImpl(None)
 
       provider.toHtml("user", 20, "hoge@hoge.com").toString mustEqual
-        "<img src=\"/_unknown/_avatar\" class=\"avatar\" style=\"width: 20px; height: 20px;\" />"
+        "<img src=\"/_unknown/_avatar\" class=\"avatar-mini\" style=\"width: 20px; height: 20px;\" />"
     }
 
     "add tooltip if it's enabled" in {
@@ -64,7 +64,7 @@
       val provider = new AvatarImageProviderImpl(None)
 
       provider.toHtml("user", 20, "hoge@hoge.com", true).toString mustEqual
-        "<img src=\"/_unknown/_avatar\" class=\"avatar\" style=\"width: 20px; height: 20px;\" data-toggle=\"tooltip\" title=\"user\"/>"
+        "<img src=\"/_unknown/_avatar\" class=\"avatar-mini\" style=\"width: 20px; height: 20px;\" data-toggle=\"tooltip\" title=\"user\"/>"
     }
   }