diff --git a/app/src/test/java/com/eveningoutpost/dexdrip/utilitymodels/NotificationChannelsTest.java b/app/src/test/java/com/eveningoutpost/dexdrip/utilitymodels/NotificationChannelsTest.java
index 160fb707e8..27dfaa003f 100644
--- a/app/src/test/java/com/eveningoutpost/dexdrip/utilitymodels/NotificationChannelsTest.java
+++ b/app/src/test/java/com/eveningoutpost/dexdrip/utilitymodels/NotificationChannelsTest.java
@@ -18,7 +18,7 @@ public class NotificationChannelsTest extends RobolectricTestWithConfig {
 
     @Test
     public void getNotificationFromInsideBuilderTest() {
-        val builder = new NotificationCompat.Builder(RuntimeEnvironment.getApplication().getApplicationContext(), null);
+        val builder = new NotificationCompat.Builder(RuntimeEnvironment.getApplication().getApplicationContext(), (String)null);
         builder.setVibrate(pattern);
         val mNotification = NotificationChannels.getNotificationFromInsideBuilder(builder);
         assertWithMessage("got builder by reflection 1").that(mNotification).isNotNull();