diff --git a/core/api/current.txt b/core/api/current.txt
index 19193e48f338c..d1f6738a72ff9 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -22600,7 +22600,7 @@ package android.media {
     field public static final String KEY_MAX_FPS_TO_ENCODER = "max-fps-to-encoder";
     field public static final String KEY_MAX_HEIGHT = "max-height";
     field public static final String KEY_MAX_INPUT_SIZE = "max-input-size";
-    field public static final String KEY_MAX_OUTPUT_CHANNEL_COUNT = "max-output-channel_count";
+    field public static final String KEY_MAX_OUTPUT_CHANNEL_COUNT = "max-output-channel-count";
     field public static final String KEY_MAX_PTS_GAP_TO_ENCODER = "max-pts-gap-to-encoder";
     field public static final String KEY_MAX_WIDTH = "max-width";
     field public static final String KEY_MIME = "mime";
diff --git a/media/java/android/media/MediaFormat.java b/media/java/android/media/MediaFormat.java
index 028ae2b3487c5..0847be34d90f0 100644
--- a/media/java/android/media/MediaFormat.java
+++ b/media/java/android/media/MediaFormat.java
@@ -693,7 +693,7 @@ public final class MediaFormat {
      * <p>This key is only used during decoding.
      */
     public static final String KEY_MAX_OUTPUT_CHANNEL_COUNT =
-            "max-output-channel_count";
+            "max-output-channel-count";
 
     /**
      * A key describing the number of frames to trim from the start of the decoded audio stream.