diff --git a/media/libstagefright/codecs/on2/dec/SoftVPX.cpp b/media/libstagefright/codecs/on2/dec/SoftVPX.cpp
index 476e986..2bae2ad 100644
--- a/media/libstagefright/codecs/on2/dec/SoftVPX.cpp
+++ b/media/libstagefright/codecs/on2/dec/SoftVPX.cpp
@@ -151,7 +151,7 @@
             }
 
             outHeader->nOffset = 0;
-            outHeader->nFilledLen = (width * height * 3) / 2;
+            outHeader->nFilledLen = (mWidth * mHeight * 3) / 2;
             outHeader->nFlags = EOSseen ? OMX_BUFFERFLAG_EOS : 0;
             outHeader->nTimeStamp = inHeader->nTimeStamp;