diff --git a/libavformat/wav.c b/libavformat/wav.c
index c96bab42a0..d1f1bc65c9 100644
--- a/libavformat/wav.c
+++ b/libavformat/wav.c
@@ -65,7 +65,7 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc)
         bps = 8;
     } else if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3) {
         bps = 0;
-    } else if (enc->codec_id == CODEC_ID_ADPCM_IMA_WAV || enc->codec_id == CODEC_ID_ADPCM_MS) {
+    } else if (enc->codec_id == CODEC_ID_ADPCM_IMA_WAV || enc->codec_id == CODEC_ID_ADPCM_MS || enc->codec_id == CODEC_ID_ADPCM_G726) { //
         bps = 4;
     } else {
         bps = 16;
@@ -74,6 +74,8 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc)
     if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3) {
         blkalign = enc->frame_size; //this is wrong, but seems many demuxers dont work if this is set correctly
         //blkalign = 144 * enc->bit_rate/enc->sample_rate;
+    } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { //
+        blkalign = 1;
     } else if (enc->block_align != 0) { /* specified by the codec */
         blkalign = enc->block_align;
     } else
diff --git a/tests/ffmpeg.regression.ref b/tests/ffmpeg.regression.ref
index 8af1689fdf..7e7e8f4a33 100644
--- a/tests/ffmpeg.regression.ref
+++ b/tests/ffmpeg.regression.ref
@@ -130,7 +130,7 @@ stddev:9330.70 PSNR:16.92 bytes:527360
 stddev:4396.13 PSNR:23.46 bytes:526336
 d056da679e6d6682812fffb28a7f0db6 *./data/a-ac3.rm
 97983 ./data/a-ac3.rm
-2d081e0e1f2e9bd4514e9ac8ec41884c *./data/a-g726.wav
+9e6e66847a568ef4f1f229b0939d2aae *./data/a-g726.wav
 24268 ./data/a-g726.wav
 a719ab6d47d8d601520edb13bf6136b4 *./data/out.wav
 stddev:8459.88 PSNR:17.77 bytes:48128
diff --git a/tests/rotozoom.regression.ref b/tests/rotozoom.regression.ref
index acf1410ec4..f36cfd0792 100644
--- a/tests/rotozoom.regression.ref
+++ b/tests/rotozoom.regression.ref
@@ -130,7 +130,7 @@ stddev:9330.70 PSNR:16.92 bytes:527360
 stddev:4396.13 PSNR:23.46 bytes:526336
 d056da679e6d6682812fffb28a7f0db6 *./data/a-ac3.rm
 97983 ./data/a-ac3.rm
-2d081e0e1f2e9bd4514e9ac8ec41884c *./data/a-g726.wav
+9e6e66847a568ef4f1f229b0939d2aae *./data/a-g726.wav
 24268 ./data/a-g726.wav
 a719ab6d47d8d601520edb13bf6136b4 *./data/out.wav
 stddev:8459.88 PSNR:17.77 bytes:48128