diff --git a/src/jsMain/kotlin/dev/inmo/jsuikit/modifiers/UIKitNavbar.kt b/src/jsMain/kotlin/dev/inmo/jsuikit/modifiers/UIKitNavbar.kt
index 24c5046..9b2c318 100644
--- a/src/jsMain/kotlin/dev/inmo/jsuikit/modifiers/UIKitNavbar.kt
+++ b/src/jsMain/kotlin/dev/inmo/jsuikit/modifiers/UIKitNavbar.kt
@@ -44,7 +44,7 @@ sealed class UIKitNavbar(vararg classes: String) : UIKitModifier {
         val Logo = UIKitUtility.Logo
 
         operator fun invoke(
-            align: String? = null,
+            align: String?,
             mode: String? = null,
             delayShow: Milliseconds? = null,
             delayHide: Milliseconds? = null,