diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 564d060a3d..3552e92657 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -291,6 +291,7 @@ void ff_yuv2packedX_altivec(SwsContext *c,
 const char *sws_format_name(int format);
 
 //FIXME replace this with something faster
+#define isBE(x) ((x)&1)
 #define isPlanarYUV(x)  (           \
            (x)==PIX_FMT_YUV410P     \
         || (x)==PIX_FMT_YUV420P     \