diff --git a/src/spek-audio.cc b/src/spek-audio.cc
index 5c1615f..2c68165 100644
--- a/src/spek-audio.cc
+++ b/src/spek-audio.cc
@@ -137,7 +137,9 @@ std::unique_ptr<AudioFile> Audio::open(const std::string& file_name)
             bits_per_sample = codec_context->bits_per_coded_sample;
         }
         if (codec_context->codec_id == AV_CODEC_ID_AAC ||
-            codec_context->codec_id == AV_CODEC_ID_MUSEPACK8) {
+            codec_context->codec_id == AV_CODEC_ID_MUSEPACK8 ||
+            codec_context->codec_id == AV_CODEC_ID_WMAV1 ||
+            codec_context->codec_id == AV_CODEC_ID_WMAV2) {
             // These decoders set both bps and bitrate.
             bits_per_sample = 0;
         }
diff --git a/tests/samples/2ch-44100Hz-v1.wma b/tests/samples/2ch-44100Hz-v1.wma
new file mode 100644
index 0000000..023b6f9
Binary files /dev/null and b/tests/samples/2ch-44100Hz-v1.wma differ
diff --git a/tests/samples/2ch-44100Hz-v2.wma b/tests/samples/2ch-44100Hz-v2.wma
new file mode 100644
index 0000000..aeab502
Binary files /dev/null and b/tests/samples/2ch-44100Hz-v2.wma differ
diff --git a/tests/test-audio.cc b/tests/test-audio.cc
index b3c3f6b..97d80a5 100644
--- a/tests/test-audio.cc
+++ b/tests/test-audio.cc
@@ -115,6 +115,10 @@ void test_audio()
             {AudioError::OK, "ATSC A/52", 192000, 44100, 0, 2, AC3_T, 9 * 1024}},
         {"2ch-44100Hz-std.mpc",
             {AudioError::OK, "Musepack", 0, 44100, 0, 2, 0.0, 11 * 1024 + 256}},
+        {"2ch-44100Hz-v1.wma",
+            {AudioError::OK, "Windows Media Audio 1", 128000, 44100, 0, 2, 0.138, 12 * 1024}},
+        {"2ch-44100Hz-v2.wma",
+            {AudioError::OK, "Windows Media Audio 2", 128000, 44100, 0, 2, 0.138, 12 * 1024}},
     };
 
     Audio audio;