diff --git a/libavcodec/h261enc.c b/libavcodec/h261enc.c
index db81f832a7..30ba137918 100644
--- a/libavcodec/h261enc.c
+++ b/libavcodec/h261enc.c
@@ -70,8 +70,8 @@ void ff_h261_encode_picture_header(MpegEncContext *s, int picture_number)
 
     put_bits(&s->pb, 1, format); /* 0 == QCIF, 1 == CIF */
 
-    put_bits(&s->pb, 1, 0); /* still image mode */
-    put_bits(&s->pb, 1, 0); /* reserved */
+    put_bits(&s->pb, 1, 1); /* still image mode */
+    put_bits(&s->pb, 1, 1); /* reserved */
 
     put_bits(&s->pb, 1, 0); /* no PEI */
     if (format == 0)
diff --git a/tests/ref/vsynth/vsynth1-h261 b/tests/ref/vsynth/vsynth1-h261
index b350e6f358..4526f57236 100644
--- a/tests/ref/vsynth/vsynth1-h261
+++ b/tests/ref/vsynth/vsynth1-h261
@@ -1,4 +1,4 @@
-d3397557ad8a02d28cb5feeb0b51e5c8 *tests/data/fate/vsynth1-h261.avi
+34263080870c91c5e6c3c7dca799c50d *tests/data/fate/vsynth1-h261.avi
 707576 tests/data/fate/vsynth1-h261.avi
 716e83cb51afb1246bfaa80967df48ea *tests/data/fate/vsynth1-h261.out.rawvideo
 stddev:    9.11 PSNR: 28.93 MAXDIFF:  113 bytes:  7603200/  7603200
diff --git a/tests/ref/vsynth/vsynth2-h261 b/tests/ref/vsynth/vsynth2-h261
index 2c3d99b3ae..611da5584f 100644
--- a/tests/ref/vsynth/vsynth2-h261
+++ b/tests/ref/vsynth/vsynth2-h261
@@ -1,4 +1,4 @@
-b5187bd5be8b422ff220f297de90fbcb *tests/data/fate/vsynth2-h261.avi
+70e9342de71456cd6fbe9a771cceefd5 *tests/data/fate/vsynth2-h261.avi
 257928 tests/data/fate/vsynth2-h261.avi
 1a9bb0d52bd24cb62162c5e3c2aed317 *tests/data/fate/vsynth2-h261.out.rawvideo
 stddev:    7.21 PSNR: 30.97 MAXDIFF:   96 bytes:  7603200/  7603200