diff --git a/android/app/src/test/java/com/fabledsword/minstrel/cache/sync/SyncControllerTest.kt b/android/app/src/test/java/com/fabledsword/minstrel/cache/sync/SyncControllerTest.kt
index fd9125a0..cf26761b 100644
--- a/android/app/src/test/java/com/fabledsword/minstrel/cache/sync/SyncControllerTest.kt
+++ b/android/app/src/test/java/com/fabledsword/minstrel/cache/sync/SyncControllerTest.kt
@@ -51,7 +51,7 @@ class SyncControllerTest {
     private fun page(cursor: Long, deletedTracks: List<String> = emptyList()) =
         Response.success(SyncResponseWire(cursor = cursor, deletes = SyncDeletesWire(track = deletedTracks)))
 
-    private fun noContent(): Response<SyncResponseWire> = Response.success(204, null)
+    private fun noContent(): Response<SyncResponseWire> = Response.success(204, null as SyncResponseWire?)
 
     @Test
     fun `pages are pulled until the server has nothing newer`() = runTest {