diff --git a/src/lavinmq/auth/auth_handler.cr b/src/lavinmq/auth/auth_handler.cr
index 58fa5c43a2..6cf82f2e3d 100644
--- a/src/lavinmq/auth/auth_handler.cr
+++ b/src/lavinmq/auth/auth_handler.cr
@@ -1,6 +1,5 @@
 module LavinMQ
   abstract class AuthHandler
-
     @successor : AuthHandler?
 
     def initialize(successor : AuthHandler? = nil)
diff --git a/src/lavinmq/auth/basic_auth.cr b/src/lavinmq/auth/basic_auth.cr
index d1f7b9306f..f5d193c997 100644
--- a/src/lavinmq/auth/basic_auth.cr
+++ b/src/lavinmq/auth/basic_auth.cr
@@ -3,20 +3,19 @@ require "../server"
 
 module LavinMQ
   class BasicAuthHandler < LavinMQ::AuthHandler
-
     def authenticate(username : String, password : String, users : UserStore, remote_address : Socket::Address)
       user = users[username]
       # TODO: do not do authentication check if the user is not in the userstore, instead pass directly to the next handler
       return user if user && user.password && user.password.not_nil!.verify(password) &&
-                       guest_only_loopback?(remote_address, user)
+                     guest_only_loopback?(remote_address, user)
       puts "Basic authentication failed"
       @successor ? @successor.try &.authenticate(username, password) : nil
     end
 
     private def guest_only_loopback?(remote_address, user) : Bool
-        return true unless user.name == "guest"
-        return true unless Config.instance.guest_only_loopback?
-        remote_address.loopback?
+      return true unless user.name == "guest"
+      return true unless Config.instance.guest_only_loopback?
+      remote_address.loopback?
     end
   end
 end
diff --git a/src/lavinmq/auth/oauth2.cr b/src/lavinmq/auth/oauth2.cr
index 09d486052f..85da614710 100644
--- a/src/lavinmq/auth/oauth2.cr
+++ b/src/lavinmq/auth/oauth2.cr
@@ -1,7 +1,6 @@
 module LavinMQ
   class OAuth2Handler < LavinMQ::AuthHandler
     def authenticate(username : String, password : String)
-
       # TODO: implement the OAuth2 authentication logic and permissions parser here
       if password.starts_with?("oauth")
         puts "OAuth2 authentication successful"