diff --git a/qubesmanager/backup.py b/qubesmanager/backup.py
index 7dad50d..307babf 100644
--- a/qubesmanager/backup.py
+++ b/qubesmanager/backup.py
@@ -139,6 +139,9 @@ class BackupVMsWindow(ui_backupdlg.Ui_Backup, multiselectwidget.QtGui.QWizard):
             self.passphrase_line_edit_verify.setText(
                 profile_data['passphrase_text'])
 
+        if 'compression' in profile_data:
+            self.compress_checkbox.setChecked(profile_data['compression'])
+
         if 'include' in profile_data:
             return profile_data['include']
 
@@ -148,8 +151,8 @@ class BackupVMsWindow(ui_backupdlg.Ui_Backup, multiselectwidget.QtGui.QWizard):
         settings = {'destination_vm': self.appvm_combobox.currentText(),
                     'destination_path': self.dir_line_edit.text(),
                     'include': [vm.name for vm in self.selected_vms],
-                    'passphrase_text': self.passphrase_line_edit.text()}
-        # TODO: add compression when it is added
+                    'passphrase_text': self.passphrase_line_edit.text(),
+                    'compression': self.compress_checkbox.isChecked()}
 
         backup_utils.write_backup_profile(settings, use_temp)
 
diff --git a/qubesmanager/backup_utils.py b/qubesmanager/backup_utils.py
index 4effd14..74ad2f0 100644
--- a/qubesmanager/backup_utils.py
+++ b/qubesmanager/backup_utils.py
@@ -100,7 +100,6 @@ def write_backup_profile(args, use_temp=False):
 
     path = get_profile_path(use_temp)
 
-    # TODO add compression parameter to GUI issue#943
     with open(path, 'w') as profile_file:
         yaml.safe_dump(profile_data, profile_file)
 
diff --git a/ui/backupdlg.ui b/ui/backupdlg.ui
index 48ec476..5330fb3 100644
--- a/ui/backupdlg.ui
+++ b/ui/backupdlg.ui
@@ -80,6 +80,16 @@
       </item>
      </layout>
     </item>
+    <item>
+     <widget class="QCheckBox" name="compress_checkbox">
+      <property name="text">
+       <string>Compress the backup</string>
+      </property>
+      <property name="checked">
+       <bool>true</bool>
+      </property>
+     </widget>
+    </item>
     <item>
      <widget class="QLabel" name="unrecognized_config_label">
       <property name="palette">