diff --git a/static/images/unknown-user-avatar.png b/static/images/unknown-user-avatar.png
new file mode 100644
index 0000000000..a1567ca5fd
Binary files /dev/null and b/static/images/unknown-user-avatar.png differ
diff --git a/zerver/lib/avatar.py b/zerver/lib/avatar.py
index 660269430e..222ae3b0ce 100644
--- a/zerver/lib/avatar.py
+++ b/zerver/lib/avatar.py
@@ -150,4 +150,4 @@ def is_avatar_new(ldap_avatar: bytes, user_profile: UserProfile) -> bool:
 
 
 def get_avatar_for_inaccessible_user() -> str:
-    return staticfiles_storage.url("images/default-avatar.png")
+    return staticfiles_storage.url("images/unknown-user-avatar.png")