diff --git a/tests/lavf.regression.ref b/tests/lavf.regression.ref
index f1d6994237..77b8a02329 100644
--- a/tests/lavf.regression.ref
+++ b/tests/lavf.regression.ref
@@ -53,8 +53,8 @@ aff140ce80a1c86c1bf54118ad23da7b *./tests/data/b-pgmpipe.pgm
 ./tests/data/b-ppmpipe.ppm CRC=0x79bd6ce6
 6ac80e7d403b715fd4da75c01d464d5e *./tests/data/b-lavf.gif
 2906382 ./tests/data/b-lavf.gif
-b977a4fedff90a79baf70c8e02986820 *./tests/data/b-lavf.y4m
-3801810 ./tests/data/b-lavf.y4m
+efb713b69ad03e848c71f174fa7d73d0 *./tests/data/b-lavf.y4m
+3801808 ./tests/data/b-lavf.y4m
 0a6d74b54396884f117669965b57d3b5 *./tests/data/b-lavf02.pgm
 ./tests/data/b-lavf%02d.pgm CRC=0x7e552eb1
 101391 ./tests/data/b-lavf02.pgm
diff --git a/tests/seek.regression.ref b/tests/seek.regression.ref
index d1ed645074..2bb7324cc2 100644
--- a/tests/seek.regression.ref
+++ b/tests/seek.regression.ref
@@ -3797,7 +3797,7 @@ ret: 0 st:-1 ts:-0.645825 flags:1
 ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:44 size:4096 flags:1
 ----------------
 tests/data/b-lavf.y4m
-ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:66 size:152064 flags:1
+ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:64 size:152064 flags:1
 ret:-1 st:-1 ts:-1.000000 flags:0
 ret:-1 st:-1 ts:1.894167 flags:1
 ret:-1 st: 0 ts:0.800000 flags:0