diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index c343bf1caf..8b50c45d66 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -327,6 +327,8 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
     case AV_PIX_FMT_GBRP12BE:
     case AV_PIX_FMT_GBRP14LE:
     case AV_PIX_FMT_GBRP14BE:
+    case AV_PIX_FMT_GBRP16LE:
+    case AV_PIX_FMT_GBRP16BE:
         w_align = 16; //FIXME assume 16 pixel per macroblock
         h_align = 16 * 2; // interlaced needs 2 macroblocks height
         break;