diff --git a/libavcodec/cfhd.c b/libavcodec/cfhd.c
index 2408dca385..1dc9292421 100644
--- a/libavcodec/cfhd.c
+++ b/libavcodec/cfhd.c
@@ -679,7 +679,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
         output = s->plane[plane].subband[0];
         for (i = 0; i < lowpass_height * 2; i++) {
             for (j = 0; j < lowpass_width * 2; j++)
-                output[j] <<= 2;
+                output[j] *= 4;
 
             output += lowpass_width * 2;
         }