diff --git a/media/java/android/media/MediaCodec.java b/media/java/android/media/MediaCodec.java
index 62d76c0d2d583..0780c6875eb5a 100644
--- a/media/java/android/media/MediaCodec.java
+++ b/media/java/android/media/MediaCodec.java
@@ -2762,7 +2762,7 @@ final public class MediaCodec {
                 builder.append(hexdigits.charAt(key[i] & 0x0f));
             }
             builder.append("], iv [");
-            for (int i = 0; i < key.length; i++) {
+            for (int i = 0; i < iv.length; i++) {
                 builder.append(hexdigits.charAt((iv[i] & 0xf0) >> 4));
                 builder.append(hexdigits.charAt(iv[i] & 0x0f));
             }