diff --git a/libswscale/utils.c b/libswscale/utils.c
index 4e73853..f2e4167 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -1055,6 +1055,8 @@ static int handle_jpeg(enum AVPixelFormat *format)
         *format = AV_PIX_FMT_YUV440P;
         return 1;
     case AV_PIX_FMT_GRAY8:
+    case AV_PIX_FMT_GRAY16LE:
+    case AV_PIX_FMT_GRAY16BE:
         return 1;
     default:
         return 0;