diff --git a/resources/android/NativeUIChromeInit.kt b/resources/android/NativeUIChromeInit.kt
index ed73e86..0daa042 100644
--- a/resources/android/NativeUIChromeInit.kt
+++ b/resources/android/NativeUIChromeInit.kt
@@ -22,7 +22,11 @@ import com.nativephp.plugins.native_ui.ui.nuiThemeDefaultTypography
  * application context for asset-backed font loading.
  */
 fun registerNativeUIChrome(context: Context) {
-    NativeRootHostRegistry.register("native-ui.drawer", consumes = "native_drawer") { root, content ->
+    NativeRootHostRegistry.register(
+        "native-ui.drawer",
+        consumes = "native_drawer",
+        reservesNavigationBarSlot = true,
+    ) { root, content ->
         val drawerNode = root.children.firstOrNull { it.type == "native_drawer" }
         NativeLayoutDrawerHost(drawerNode = drawerNode, content = content)
     }
diff --git a/tests/NativeUIChromeInitTest.php b/tests/NativeUIChromeInitTest.php
new file mode 100644
index 0000000..2634803
--- /dev/null
+++ b/tests/NativeUIChromeInitTest.php
@@ -0,0 +1,15 @@
+<?php
+
+test('registers the Android drawer host with navigation bar slot reservation', function () {
+    $source = file_get_contents(dirname(__DIR__).'/resources/android/NativeUIChromeInit.kt');
+    $matched = preg_match(
+        '/NativeRootHostRegistry\.register\(\s*"native-ui\.drawer",(?<arguments>[^)]*)\)/s',
+        $source,
+        $registration,
+    );
+
+    expect($matched)->toBe(1)
+        ->and($registration['arguments'])
+        ->toMatch('/consumes\s*=\s*"native_drawer"/')
+        ->toMatch('/reservesNavigationBarSlot\s*=\s*true/');
+});