diff --git a/briar-android/src/main/res/layout/activity_test_data.xml b/briar-android/src/main/res/layout/activity_test_data.xml
index 190cc68c7..14a046abd 100644
--- a/briar-android/src/main/res/layout/activity_test_data.xml
+++ b/briar-android/src/main/res/layout/activity_test_data.xml
@@ -26,7 +26,7 @@
 			android:id="@+id/seekBarContacts"
 			android:layout_width="0dp"
 			android:layout_height="wrap_content"
-			android:max="50"
+			android:max="49"
 			android:progress="20"
 			app:layout_constraintEnd_toStartOf="@+id/textViewContactsSb"
 			app:layout_constraintStart_toStartOf="parent"