diff --git a/app/src/main/java/it/niedermann/owncloud/notes/preferences/PreferencesActivity.java b/app/src/main/java/it/niedermann/owncloud/notes/preferences/PreferencesActivity.java
index 723b895a..6c7d3c90 100644
--- a/app/src/main/java/it/niedermann/owncloud/notes/preferences/PreferencesActivity.java
+++ b/app/src/main/java/it/niedermann/owncloud/notes/preferences/PreferencesActivity.java
@@ -18,14 +18,13 @@ import it.niedermann.owncloud.notes.databinding.ActivityPreferencesBinding;
 
 public class PreferencesActivity extends LockedActivity {
 
-    private PreferencesViewModel viewModel;
     private ActivityPreferencesBinding binding;
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        viewModel = new ViewModelProvider(this).get(PreferencesViewModel.class);
+        PreferencesViewModel viewModel = new ViewModelProvider(this).get(PreferencesViewModel.class);
         viewModel.resultCode$.observe(this, this::setResult);
 
         binding = ActivityPreferencesBinding.inflate(getLayoutInflater());
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index c0ddd171..8cde0df4 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -86,7 +86,8 @@
     <style name="PreferencesAlertDialogTheme" parent="MaterialAlertDialogTheme">
         <!-- https://m3.material.io/components/dialogs/specs#6771d107-624e-47cc-b6d8-2b7b620ba2f1 -->
         <item name="dialogCornerRadius">28dp</item>
-        <item name="android:background">?attr/colorSurface</item>
+        <item name="android:background">@color/primary</item>
+        <item name="android:textColor">@color/fg_default</item>
     </style>
 
     <style name="buttonStyle" parent="Widget.Material3.Button.TextButton.Dialog">