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 b543bf7341..025d525645 100644
--- a/libraries/effect/src/main/java/androidx/media3/effect/FinalShaderProgramWrapper.java
+++ b/libraries/effect/src/main/java/androidx/media3/effect/FinalShaderProgramWrapper.java
@@ -445,6 +445,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
         defaultShaderProgram.release();
         defaultShaderProgram = null;
       }
+      Log.w(TAG, "Output surface and size not set, dropping frame.");
       return false;
     }