diff --git a/server/src/main/java/com/genymobile/scrcpy/AudioEncoder.java b/server/src/main/java/com/genymobile/scrcpy/AudioEncoder.java
index e3d1a875..f14d74d7 100644
--- a/server/src/main/java/com/genymobile/scrcpy/AudioEncoder.java
+++ b/server/src/main/java/com/genymobile/scrcpy/AudioEncoder.java
@@ -93,7 +93,7 @@ public final class AudioEncoder {
             private boolean ended;
 
             private void notifyEnded() {
-                assert(!ended);
+                assert !ended;
                 ended = true;
                 endSemaphore.release();
             }