diff --git a/Source/Modules/IMEModules/mgrPrefs.swift b/Source/Modules/IMEModules/mgrPrefs.swift
index d1f0a82a..fb18383d 100644
--- a/Source/Modules/IMEModules/mgrPrefs.swift
+++ b/Source/Modules/IMEModules/mgrPrefs.swift
@@ -346,6 +346,9 @@ struct ComposingBufferSize {
 	@UserDefault(key: kIsDebugModeEnabled, defaultValue: false)
 	@objc static var isDebugModeEnabled: Bool
 
+	@UserDefault(key: kCheckUpdateAutomatically, defaultValue: false)
+	@objc static var checkUpdateAutomatically: Bool
+
 	@UserDefault(key: kUserDataFolderSpecified, defaultValue: "")
 	@objc static var userDataFolderSpecified: String