diff --git a/mobile/build.gradle.kts b/mobile/build.gradle.kts
index eede36a7..a8d5b21e 100644
--- a/mobile/build.gradle.kts
+++ b/mobile/build.gradle.kts
@@ -19,7 +19,7 @@ android {
         targetCompatibility(javaVersion)
     }
     kotlin.jvmToolchain(javaVersion)
-    compileSdk = 33
+    compileSdkPreview = "UpsideDownCake"
     defaultConfig {
         applicationId = "be.mygod.vpnhotspot"
         minSdk = 28
diff --git a/mobile/src/main/java/be/mygod/vpnhotspot/net/wifi/WifiApDialogFragment.kt b/mobile/src/main/java/be/mygod/vpnhotspot/net/wifi/WifiApDialogFragment.kt
index 8ec95873..61108ae0 100644
--- a/mobile/src/main/java/be/mygod/vpnhotspot/net/wifi/WifiApDialogFragment.kt
+++ b/mobile/src/main/java/be/mygod/vpnhotspot/net/wifi/WifiApDialogFragment.kt
@@ -6,7 +6,6 @@ import android.content.ClipDescription
 import android.content.DialogInterface
 import android.net.MacAddress
 import android.net.wifi.SoftApConfiguration
-import android.net.wifi.WifiManager
 import android.os.Build
 import android.os.Parcelable
 import android.text.Editable
@@ -519,9 +518,8 @@ class WifiApDialogFragment : AlertDialogFragment<WifiApDialogFragment.Arg, WifiA
         (dialog as? AlertDialog)?.getButton(DialogInterface.BUTTON_POSITIVE)?.isEnabled = canGenerate
         dialogView.toolbar.menu.apply {
             findItem(R.id.invalid).isVisible = canGenerate && !arg.p2pMode && !arg.readOnly &&
-                    BuildCompat.isAtLeastU() && !(WifiManager::class.java.getDeclaredMethod(
-                "validateSoftApConfiguration", SoftApConfiguration::class.java).invoke(Services.wifi,
-                generateConfig().toPlatform()) as Boolean)
+                    BuildCompat.isAtLeastU() &&
+                    !Services.wifi.validateSoftApConfiguration(generateConfig().toPlatform())
             findItem(android.R.id.copy).isEnabled = canCopy
         }
     }