diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 448710b279baeb26951566481917e835c74f2553..4b3234714b92bb3f4b26cc398a9fa6c7e4dafa6a 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -1721,8 +1721,8 @@ void vp8_mc_luma(VP8Context *s, VP8ThreadData *td, uint8_t *dst,
     if (AV_RN32A(mv)) {
         int src_linesize = linesize;
 
-        int mx = (mv->x << 1) & 7, mx_idx = subpel_idx[0][mx];
-        int my = (mv->y << 1) & 7, my_idx = subpel_idx[0][my];
+        int mx = (mv->x * 2) & 7, mx_idx = subpel_idx[0][mx];
+        int my = (mv->y * 2) & 7, my_idx = subpel_idx[0][my];
 
         x_off += mv->x >> 2;
         y_off += mv->y >> 2;