diff --git a/brut.apktool/apktool-lib/src/test/java/brut/androlib/aapt1/BuildAndDecodeTest.java b/brut.apktool/apktool-lib/src/test/java/brut/androlib/aapt1/BuildAndDecodeTest.java
index de08096b..eb6c2cac 100644
--- a/brut.apktool/apktool-lib/src/test/java/brut/androlib/aapt1/BuildAndDecodeTest.java
+++ b/brut.apktool/apktool-lib/src/test/java/brut/androlib/aapt1/BuildAndDecodeTest.java
@@ -173,6 +173,13 @@ public class BuildAndDecodeTest extends BaseTest {
         assertEquals(0x8888, aaaa.length());
     }
 
+    @Test
+    public void storedMp3FilesAreNotCompressedTest() throws BrutException {
+        ExtFile extFile = new ExtFile(sTmpDir, "testapp.apk");
+        Integer built = extFile.getDirectory().getCompressionLevel("res/raw/rain.mp3");
+        assertEquals(new Integer(0), built);
+    }
+
     @Test
     public void crossTypeTest() throws BrutException {
         compareValuesFiles("values-mcc003/strings.xml");
diff --git a/brut.apktool/apktool-lib/src/test/resources/aapt1/testapp/apktool.yml b/brut.apktool/apktool-lib/src/test/resources/aapt1/testapp/apktool.yml
index 26b96664..fa9a6379 100644
--- a/brut.apktool/apktool-lib/src/test/resources/aapt1/testapp/apktool.yml
+++ b/brut.apktool/apktool-lib/src/test/resources/aapt1/testapp/apktool.yml
@@ -10,6 +10,10 @@ versionInfo:
   versionCode: '1'
   versionName: '1.0'
 compressionType: false
+doNotCompress:
+- arsc
+- png
+- mp3
 unknownFiles:
   hidden.file: '8'
   non\u007Fprintable.file: '8'
diff --git a/brut.apktool/apktool-lib/src/test/resources/aapt1/testapp/res/raw/rain.mp3 b/brut.apktool/apktool-lib/src/test/resources/aapt1/testapp/res/raw/rain.mp3
new file mode 100644
index 00000000..86d631e2
Binary files /dev/null and b/brut.apktool/apktool-lib/src/test/resources/aapt1/testapp/res/raw/rain.mp3 differ