diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 5a41892..3478096 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2022-06-28 10:15:51 UTC using RuboCop version 1.31.0.
+# on 2022-07-27 14:47:27 UTC using RuboCop version 1.32.0.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -61,7 +61,7 @@ Style/OptionalBooleanParameter:
   Exclude:
     - 'lib/onlyoffice_gmail_helper.rb'
 
-# Offense count: 3
+# Offense count: 2
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, AllowedPatterns, IgnoredPatterns.
 # URISchemes: http, https
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fde7edd..7f0fae3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 
 * Fix `markdownlint` failure because of old `nodejs` in CI
 * Remove `codeclimate` support since we don't use it any more
+* If there is no config fail on initialize level, not on `require` level
 
 ### Changes
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 6832734..e8b224c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -110,4 +110,4 @@ DEPENDENCIES
   yard (~> 0, >= 0.9.20)
 
 BUNDLED WITH
-   2.3.16
+   2.3.18
diff --git a/lib/onlyoffice_gmail_helper.rb b/lib/onlyoffice_gmail_helper.rb
index 20554aa..d368910 100644
--- a/lib/onlyoffice_gmail_helper.rb
+++ b/lib/onlyoffice_gmail_helper.rb
@@ -21,9 +21,9 @@ class Gmail_helper
     # @return [String] default label
     attr_accessor :label
 
-    def initialize(user = EmailAccount::GMAIL_DEFAULT.login, password = EmailAccount::GMAIL_DEFAULT.password, timeout_for_mail = 10, label = nil)
-      @user = user
-      @password = password
+    def initialize(user = nil, password = nil, timeout_for_mail = 10, label = nil)
+      @user = user || EmailAccount.default_account.login
+      @password = password || EmailAccount.default_account.password
       @gmail = Gmail.new(user, password)
       @imap = @gmail.instance_variable_get(:@imap)
       @timeout_for_mail = timeout_for_mail
diff --git a/lib/onlyoffice_gmail_helper/email_account.rb b/lib/onlyoffice_gmail_helper/email_account.rb
index 1a0992d..269ef11 100644
--- a/lib/onlyoffice_gmail_helper/email_account.rb
+++ b/lib/onlyoffice_gmail_helper/email_account.rb
@@ -26,7 +26,9 @@ def self.read_env_defaults
       # rubocop:enable Style/FetchEnvVar
     end
 
-    # @return [MailAccount] default account
-    GMAIL_DEFAULT = MailAccount.new(read_defaults[:user], read_defaults[:password])
+    # @return [MailAccount] default account for GMail
+    def self.default_account
+      @default_account ||= MailAccount.new(read_defaults[:user], read_defaults[:password])
+    end
   end
 end