diff --git a/libswscale/utils.c b/libswscale/utils.c
index d5913ed733..2484cdf8d7 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -384,7 +384,7 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos,
             (*filterPos)[i] = xx;
             // bilinear upscale / linear interpolate / area averaging
             for (j = 0; j < filterSize; j++) {
-                int64_t coeff= fone - FFABS(((int64_t)xx<<16) - xDstInSrc)*(fone>>16);
+                int64_t coeff = fone - FFABS((int64_t)xx * (1 << 16) - xDstInSrc) * (fone >> 16);
                 if (coeff < 0)
                     coeff = 0;
                 filter[i * filterSize + j] = coeff;