diff --git a/kivymd/uix/navigationbar/navigationbar.kv b/kivymd/uix/navigationbar/navigationbar.kv
index 719d06491..8695e3d31 100644
--- a/kivymd/uix/navigationbar/navigationbar.kv
+++ b/kivymd/uix/navigationbar/navigationbar.kv
@@ -59,7 +59,7 @@
                 ) \
                 if self.parent else self.theme_cls.transparentColor
         RoundedRectangle:
-            radius: [16,]
+            radius: [dp(16), ]
             size:
                 ( \
                 (self.parent.parent._selected_region_width, dp(32)) \