diff --git a/backend/migrations/20210210154702_redirection_scheme.js b/backend/migrations/20210210154702_redirection_scheme.js
index a7ec19ab..0dad4876 100644
--- a/backend/migrations/20210210154702_redirection_scheme.js
+++ b/backend/migrations/20210210154702_redirection_scheme.js
@@ -1,5 +1,5 @@
 const migrate_name = 'redirection_scheme';
-const logger	   = require('../logger').migrate;
+const logger       = require('../logger').migrate;
 
 /**
  * Migrate
diff --git a/backend/migrations/20210210154703_redirection_status_code.js b/backend/migrations/20210210154703_redirection_status_code.js
index 789d4baa..b9bea0b9 100644
--- a/backend/migrations/20210210154703_redirection_status_code.js
+++ b/backend/migrations/20210210154703_redirection_status_code.js
@@ -1,5 +1,5 @@
 const migrate_name = 'redirection_status_code';
-const logger	   = require('../logger').migrate;
+const logger       = require('../logger').migrate;
 
 /**
  * Migrate