diff --git a/brut.apktool/apktool-lib/src/main/java/brut/androlib/Androlib.java b/brut.apktool/apktool-lib/src/main/java/brut/androlib/Androlib.java
index d2f3ff39..6d08fe74 100644
--- a/brut.apktool/apktool-lib/src/main/java/brut/androlib/Androlib.java
+++ b/brut.apktool/apktool-lib/src/main/java/brut/androlib/Androlib.java
@@ -752,6 +752,6 @@ public class Androlib {
     // Taken from AOSP's frameworks/base/tools/aapt/Package.cpp
     private final static Pattern NO_COMPRESS_PATTERN = Pattern.compile("\\.(" +
             "jpg|jpeg|png|gif|wav|mp2|mp3|ogg|aac|mpg|mpeg|mid|midi|smf|jet|rtttl|imy|xmf|mp4|" +
-            "m4a|m4v|3gp|3gpp|3g2|3gpp2|amr|awb|wma|wmv)$");
+            "m4a|m4v|3gp|3gpp|3g2|3gpp2|amr|awb|wma|wmv|webm|mkv)$");
 
 }