diff --git a/build/bakefiles/files.bkl b/build/bakefiles/files.bkl
index 69366c5e2a..ca41b9dbc4 100644
--- a/build/bakefiles/files.bkl
+++ b/build/bakefiles/files.bkl
@@ -3073,7 +3073,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
-
+ src/osx/cocoa/mediactrl.mm
diff --git a/build/files b/build/files
index 859d25b9ec..959d508116 100644
--- a/build/files
+++ b/build/files
@@ -2793,6 +2793,7 @@ MEDIA_OSX_COCOA_SRC =
MEDIA_OSX_COCOA_HDR =
MEDIA_OSX_IPHONE_SRC =
+ src/osx/cocoa/mediactrl.mm
MEDIA_OSX_IPHONE_HDR =
MEDIA_COCOA_SRC =