diff --git a/libavcodec/indeo2.c b/libavcodec/indeo2.c
index 25561ec2d7..5063117ca0 100644
--- a/libavcodec/indeo2.c
+++ b/libavcodec/indeo2.c
@@ -118,11 +118,11 @@ static int ir2_decode_plane_inter(Ir2Context *ctx, int width, int height, uint8_
                 c -= 0x7F;
                 out += c * 2;
             } else { /* add two deltas from table */
-                t = dst[out] + (table[c * 2] - 128);
+                t = dst[out] + (((table[c * 2] - 128)*3) >> 2);
                 t= clip_uint8(t);
                 dst[out] = t;
                 out++;
-                t = dst[out] + (table[(c * 2) + 1] - 128);
+                t = dst[out] + (((table[(c * 2) + 1] - 128)*3) >> 2);
                 t= clip_uint8(t);
                 dst[out] = t;
                 out++;