diff --git a/Resources/config/services.yml b/Resources/config/services.yml
index fd4eaed..3a07aad 100644
--- a/Resources/config/services.yml
+++ b/Resources/config/services.yml
@@ -15,35 +15,35 @@ services:
     dizda.cloudbackup.client.cloudapp:
         class: Dizda\CloudBackupBundle\Client\CloudAppClient
         arguments:
-            - %dizda_cloud_backup.cloud_storages%
+            - '%dizda_cloud_backup.cloud_storages%'
         tags:
             -  { name: dizda.cloudbackup.client }
 
     dizda.cloudbackup.client.dropbox:
         class: Dizda\CloudBackupBundle\Client\DropboxClient
         arguments:
-            - %dizda_cloud_backup.cloud_storages%
+            - '%dizda_cloud_backup.cloud_storages%'
         tags:
             -  { name: dizda.cloudbackup.client }
 
     dizda.cloudbackup.client.local:
         class: Dizda\CloudBackupBundle\Client\LocalClient
         arguments:
-            - %dizda_cloud_backup.cloud_storages%
+            - '%dizda_cloud_backup.cloud_storages%'
         tags:
             -  { name: dizda.cloudbackup.client }
 
     dizda.cloudbackup.client.dropbox_sdk:
         class: Dizda\CloudBackupBundle\Client\DropboxSdkClient
         arguments:
-            - %dizda_cloud_backup.cloud_storages%
+            - '%dizda_cloud_backup.cloud_storages%'
         tags:
             -  { name: dizda.cloudbackup.client }
 
     dizda.cloudbackup.client.google_drive:
         class: Dizda\CloudBackupBundle\Client\GoogleDriveClient
         public: false
-        arguments: [~, ~, ~, %dizda.cloudbackup.google_drive.timeout%]
+        arguments: [~, ~, ~, '%dizda.cloudbackup.google_drive.timeout%']
         tags:
             -  { name: dizda.cloudbackup.client }
 
@@ -60,30 +60,30 @@ services:
     dizda.cloudbackup.database.mongodb:
         class: Dizda\CloudBackupBundle\Database\MongoDB
         arguments:
-            - %dizda_cloud_backup.databases%
-            - %dizda_cloud_backup.output_folder%
+            - '%dizda_cloud_backup.databases%'
+            - '%dizda_cloud_backup.output_folder%'
         calls:
-            - [ setTimeout, [ %dizda_cloud_backup.timeout% ] ]
+            - [ setTimeout, [ '%dizda_cloud_backup.timeout%' ] ]
         tags:
             -  { name: dizda.cloudbackup.database }
 
     dizda.cloudbackup.database.mysql:
         class: Dizda\CloudBackupBundle\Database\MySQL
         arguments:
-            - %dizda_cloud_backup.databases%
-            - %dizda_cloud_backup.output_folder%
+            - '%dizda_cloud_backup.databases%'
+            - '%dizda_cloud_backup.output_folder%'
         calls:
-            - [ setTimeout, [ %dizda_cloud_backup.timeout% ] ]
+            - [ setTimeout, [ '%dizda_cloud_backup.timeout%' ] ]
         tags:
             -  { name: dizda.cloudbackup.database }
 
     dizda.cloudbackup.database.postgresql:
         class: Dizda\CloudBackupBundle\Database\PostgreSQL
         arguments:
-            - %dizda_cloud_backup.databases%
-            - %dizda_cloud_backup.output_folder%
+            - '%dizda_cloud_backup.databases%'
+            - '%dizda_cloud_backup.output_folder%'
         calls:
-            - [ setTimeout, [ %dizda_cloud_backup.timeout% ] ]
+            - [ setTimeout, [ '%dizda_cloud_backup.timeout%' ] ]
         tags:
             -  { name: dizda.cloudbackup.database }
 
@@ -119,8 +119,8 @@ services:
     dizda.cloudbackup.manager.processor:
         class: Dizda\CloudBackupBundle\Manager\ProcessorManager
         arguments:
-            - %dizda_cloud_backup.root_folder%
-            - %dizda_cloud_backup.output_folder%
-            - %dizda_cloud_backup.output_file_prefix%
-            - %dizda_cloud_backup.processor%
-            - %dizda_cloud_backup.folders%
+            - '%dizda_cloud_backup.root_folder%'
+            - '%dizda_cloud_backup.output_folder%'
+            - '%dizda_cloud_backup.output_file_prefix%'
+            - '%dizda_cloud_backup.processor%'
+            - '%dizda_cloud_backup.folders%'