diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index ac15687..716f5d8 100755
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -3260,8 +3260,8 @@
         mOwner->writeInt32(0);
     } else {
         int32_t width, height;
-        bool success = mMeta->findInt32(kKeyDisplayWidth, &width);
-        success = success && mMeta->findInt32(kKeyDisplayHeight, &height);
+        bool success = mMeta->findInt32(kKeyWidth, &width);
+        success = success && mMeta->findInt32(kKeyHeight, &height);
         CHECK(success);
 
         mOwner->writeInt32(width << 16);   // 32-bit fixed-point value