diff --git a/mail-server/dovecot.nix b/mail-server/dovecot.nix
index 31855db..ff2b3e6 100644
--- a/mail-server/dovecot.nix
+++ b/mail-server/dovecot.nix
@@ -287,8 +287,8 @@ in
         }
 
         service imap {
-	  vsz_limit = ${builtins.toString cfg.imapMemoryLimit} MB
-	}
+          vsz_limit = ${builtins.toString cfg.imapMemoryLimit} MB
+        }
 
         protocol pop3 {
           mail_max_userip_connections = ${toString cfg.maxConnectionsPerUser}
@@ -305,12 +305,12 @@ in
             mode = 0600
             user = ${postfixCfg.user}
           }
-	  vsz_limit = ${builtins.toString cfg.lmtpMemoryLimit} MB
+          vsz_limit = ${builtins.toString cfg.lmtpMemoryLimit} MB
         }
 
         service quota-status {
-	  vsz_limit = ${builtins.toString cfg.quotaStatusMemoryLimit} MB
-	}
+          vsz_limit = ${builtins.toString cfg.quotaStatusMemoryLimit} MB
+        }
 
         recipient_delimiter = ${cfg.recipientDelimiter}
         lmtp_save_to_detail_mailbox = ${cfg.lmtpSaveToDetailMailbox}