diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 6e5a4b5c59..212f02f6fe 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -132,6 +132,8 @@
 *   Add support for x86_64 for the ffmpeg extension.
 *   Cast extension: Implement playlist API and deprecate the old queue
     manipulation API.
+*   Opus extension: Fix parsing of negative gain values
+    ([#7046](https://github.com/google/ExoPlayer/issues/7046)).
 
 ### 2.11.3 (2020-02-19) ###
 
diff --git a/extensions/opus/src/androidTest/java/com/google/android/exoplayer2/ext/opus/OpusPlaybackTest.java b/extensions/opus/src/androidTest/java/com/google/android/exoplayer2/ext/opus/OpusPlaybackTest.java
index 934b8ab2c1..e4e392f2d3 100644
--- a/extensions/opus/src/androidTest/java/com/google/android/exoplayer2/ext/opus/OpusPlaybackTest.java
+++ b/extensions/opus/src/androidTest/java/com/google/android/exoplayer2/ext/opus/OpusPlaybackTest.java
@@ -38,7 +38,9 @@ import org.junit.runner.RunWith;
 @RunWith(AndroidJUnit4.class)
 public class OpusPlaybackTest {
 
-  private static final String BEAR_OPUS_URI = "asset:///ogg/bear-opus.webm";
+  private static final String BEAR_OPUS_URI = "asset:///mka/bear-opus.mka";
+  private static final String BEAR_OPUS_NEGATIVE_GAIN_URI =
+      "asset:///mka/bear-opus-negative-gain.mka";
 
   @Before
   public void setUp() {
@@ -52,6 +54,11 @@ public class OpusPlaybackTest {
     playUri(BEAR_OPUS_URI);
   }
 
+  @Test
+  public void basicPlaybackNegativeGain() throws Exception {
+    playUri(BEAR_OPUS_NEGATIVE_GAIN_URI);
+  }
+
   private void playUri(String uri) throws Exception {
     TestPlaybackRunnable testPlaybackRunnable =
         new TestPlaybackRunnable(Uri.parse(uri), ApplicationProvider.getApplicationContext());
diff --git a/extensions/opus/src/main/java/com/google/android/exoplayer2/ext/opus/OpusDecoder.java b/extensions/opus/src/main/java/com/google/android/exoplayer2/ext/opus/OpusDecoder.java
index fb7ed99909..8795950671 100644
--- a/extensions/opus/src/main/java/com/google/android/exoplayer2/ext/opus/OpusDecoder.java
+++ b/extensions/opus/src/main/java/com/google/android/exoplayer2/ext/opus/OpusDecoder.java
@@ -90,8 +90,8 @@ import java.util.List;
     if (channelCount > 8) {
       throw new OpusDecoderException("Invalid channel count: " + channelCount);
     }
-    int preskip = readLittleEndian16(headerBytes, 10);
-    int gain = readLittleEndian16(headerBytes, 16);
+    int preskip = readUnsignedLittleEndian16(headerBytes, 10);
+    int gain = readSignedLittleEndian16(headerBytes, 16);
 
     byte[] streamMap = new byte[8];
     int numStreams;
@@ -228,12 +228,16 @@ import java.util.List;
     return (int) (ns * SAMPLE_RATE / 1000000000);
   }
 
-  private static int readLittleEndian16(byte[] input, int offset) {
+  private static int readUnsignedLittleEndian16(byte[] input, int offset) {
     int value = input[offset] & 0xFF;
     value |= (input[offset + 1] & 0xFF) << 8;
     return value;
   }
 
+  private static int readSignedLittleEndian16(byte[] input, int offset) {
+    return (short) readUnsignedLittleEndian16(input, offset);
+  }
+
   private native long opusInit(int sampleRate, int channelCount, int numStreams, int numCoupled,
       int gain, byte[] streamMap);
   private native int opusDecode(long decoder, long timeUs, ByteBuffer inputBuffer, int inputSize,
diff --git a/testdata/src/test/assets/mka/bear-opus-negative-gain.mka b/testdata/src/test/assets/mka/bear-opus-negative-gain.mka
new file mode 100644
index 0000000000..3ee21adfd3
Binary files /dev/null and b/testdata/src/test/assets/mka/bear-opus-negative-gain.mka differ
diff --git a/testdata/src/test/assets/ogg/bear-opus.webm b/testdata/src/test/assets/mka/bear-opus.mka
similarity index 100%
rename from testdata/src/test/assets/ogg/bear-opus.webm
rename to testdata/src/test/assets/mka/bear-opus.mka