diff --git a/android-app/src/main/java/org/solovyev/android/calculator/preferences/PreferencesActivity.java b/android-app/src/main/java/org/solovyev/android/calculator/preferences/PreferencesActivity.java
index 589d522e..3d89b413 100644
--- a/android-app/src/main/java/org/solovyev/android/calculator/preferences/PreferencesActivity.java
+++ b/android-app/src/main/java/org/solovyev/android/calculator/preferences/PreferencesActivity.java
@@ -91,7 +91,7 @@ public class PreferencesActivity extends BasePreferencesActivity {
 			adFreePreference.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
 				@Override
 				public boolean onPreferenceClick(Preference preference) {
-					startActivity(new Intent(getApplicationContext(), PurchaseDialogActivity.class));
+					startActivity(new Intent(PreferencesActivity.this, PurchaseDialogActivity.class));
 					return true;
 				}
 			});
diff --git a/android-app/src/main/res/layout/cpp_wizard_step_choose_theme_preview.xml b/android-app/src/main/res/layout/cpp_wizard_step_choose_theme_preview.xml
index dc17bb4e..ef22b4d9 100644
--- a/android-app/src/main/res/layout/cpp_wizard_step_choose_theme_preview.xml
+++ b/android-app/src/main/res/layout/cpp_wizard_step_choose_theme_preview.xml
@@ -25,6 +25,7 @@
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 	a:layout_width="wrap_content"
 	a:layout_height="wrap_content"
+	a:minWidth="200dp"
 	a:orientation="vertical"
 	a:padding="3dp"
 	a:background="?attr/cpp_main_bg">