diff --git a/tests/data/blank_video.m4v b/tests/data/blank_video.m4v
new file mode 100644
index 00000000..4bb15ded
Binary files /dev/null and b/tests/data/blank_video.m4v differ
diff --git a/tests/test_fileref.cpp b/tests/test_fileref.cpp
index f0122c83..5a927ecd 100644
--- a/tests/test_fileref.cpp
+++ b/tests/test_fileref.cpp
@@ -153,6 +153,11 @@ public:
     fileRefSave("no-tags", ".3g2");
   }
 
+  void testMP4_4()
+  {
+    fileRefSave("blank_video", ".m4v");
+  }
+
   void testWav()
   {
     fileRefSave("empty", ".wav");
diff --git a/tests/test_mp4.cpp b/tests/test_mp4.cpp
index 42d33b28..b47ddedf 100644
--- a/tests/test_mp4.cpp
+++ b/tests/test_mp4.cpp
@@ -17,6 +17,7 @@ class TestMP4 : public CppUnit::TestFixture
   CPPUNIT_TEST_SUITE(TestMP4);
   CPPUNIT_TEST(testPropertiesAAC);
   CPPUNIT_TEST(testPropertiesALAC);
+  CPPUNIT_TEST(testPropertiesM4V);
   CPPUNIT_TEST(testFreeForm);
   CPPUNIT_TEST(testCheckValid);
   CPPUNIT_TEST(testHasTag);
@@ -64,6 +65,21 @@ public:
     CPPUNIT_ASSERT_EQUAL(MP4::Properties::ALAC, f.audioProperties()->codec());
   }
 
+  void testPropertiesM4V()
+  {
+    MP4::File f(TEST_FILE_PATH_C("blank_video.m4v"));
+    CPPUNIT_ASSERT(f.audioProperties());
+    CPPUNIT_ASSERT_EQUAL(0, f.audioProperties()->length());
+    CPPUNIT_ASSERT_EQUAL(0, f.audioProperties()->lengthInSeconds());
+    CPPUNIT_ASSERT_EQUAL(975, f.audioProperties()->lengthInMilliseconds());
+    CPPUNIT_ASSERT_EQUAL(96, f.audioProperties()->bitrate());
+    CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->channels());
+    CPPUNIT_ASSERT_EQUAL(44100, f.audioProperties()->sampleRate());
+    CPPUNIT_ASSERT_EQUAL(16, f.audioProperties()->bitsPerSample());
+    CPPUNIT_ASSERT_EQUAL(false, f.audioProperties()->isEncrypted());
+    CPPUNIT_ASSERT_EQUAL(MP4::Properties::AAC, f.audioProperties()->codec());
+  }
+
   void testCheckValid()
   {
     MP4::File f(TEST_FILE_PATH_C("empty.aiff"));