diff --git a/extensions/opus/src/main/java/com/google/android/exoplayer2/ext/opus/OpusLibrary.java b/extensions/opus/src/main/java/com/google/android/exoplayer2/ext/opus/OpusLibrary.java
index 01162bf365..3fa874ff91 100644
--- a/extensions/opus/src/main/java/com/google/android/exoplayer2/ext/opus/OpusLibrary.java
+++ b/extensions/opus/src/main/java/com/google/android/exoplayer2/ext/opus/OpusLibrary.java
@@ -28,7 +28,7 @@ public final class OpusLibrary {
   }
 
   private static final LibraryLoader LOADER = new LibraryLoader("opusV2JNI");
-  @C.CryptoType private static int cryptoType = C.CRYPTO_TYPE_UNSUPPORTED;
+  private static @C.CryptoType int cryptoType = C.CRYPTO_TYPE_UNSUPPORTED;
 
   private OpusLibrary() {}