diff --git a/libraries/effect/src/main/java/androidx/media3/effect/FinalShaderProgramWrapper.java b/libraries/effect/src/main/java/androidx/media3/effect/FinalShaderProgramWrapper.java
index 4805fb1017..35af4c3b33 100644
--- a/libraries/effect/src/main/java/androidx/media3/effect/FinalShaderProgramWrapper.java
+++ b/libraries/effect/src/main/java/androidx/media3/effect/FinalShaderProgramWrapper.java
@@ -106,7 +106,8 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
   @Nullable private OnInputStreamProcessedListener onInputStreamProcessedListener;
   private boolean frameProcessingStarted;
 
-  private volatile boolean outputSurfaceInfoChanged;
+  @GuardedBy("this")
+  private boolean outputSurfaceInfoChanged;
 
   @GuardedBy("this")
   @Nullable