diff --git a/tools/chatgui-android/app/src/test/java/com/utun/chat/data/StreamVideoCodecTest.kt b/tools/chatgui-android/app/src/test/java/com/utun/chat/data/StreamVideoCodecTest.kt
index 6271c553..8dc65b69 100644
--- a/tools/chatgui-android/app/src/test/java/com/utun/chat/data/StreamVideoCodecTest.kt
+++ b/tools/chatgui-android/app/src/test/java/com/utun/chat/data/StreamVideoCodecTest.kt
@@ -36,4 +36,10 @@ class StreamVideoCodecTest {
         val config = StreamCaptureConfig(base, StreamOrientation.LEFT, 4000000).withMode(hevc)
         assertEquals(3000000, config.bitrate); assertEquals(StreamOrientation.LEFT, config.orientation)
     }
+    @Test fun availableProfileIsUsedWhenPreferredProfileIsMissing() {
+        val preferred = StreamVideoCodec.H264.profile!!
+        assertEquals(preferred, StreamVideoCodec.H264.encoderProfile(intArrayOf(999, preferred)))
+        assertEquals(999, StreamVideoCodec.H264.encoderProfile(intArrayOf(999)))
+        assertNull(StreamVideoCodec.H266.encoderProfile(intArrayOf()))
+    }
 }