diff --git a/src/brut/androlib/Androlib.java b/src/brut/androlib/Androlib.java
index 216277e8..574fadcf 100644
--- a/src/brut/androlib/Androlib.java
+++ b/src/brut/androlib/Androlib.java
@@ -104,6 +104,7 @@ public class Androlib {
         new File(appDir, APK_DIRNAME).mkdirs();
         buildSources(appDir, forceBuildAll);
         buildResources(appDir, forceBuildAll);
+        buildLib(appDir, forceBuildAll);
         buildApk(appDir);
     }
 
@@ -215,6 +216,24 @@ public class Androlib {
         }
     }
 
+    public void buildLib(File appDir, boolean forceBuildAll)
+            throws AndrolibException {
+        File working = new File(appDir, "lib");
+        if (! working.exists()) {
+            return;
+        }
+        File stored = new File(appDir, APK_DIRNAME + "/lib");
+        if (forceBuildAll || isModified(working, stored)) {
+            LOGGER.info("Copying libs...");
+            try {
+                OS.rmdir(stored);
+                OS.cpdir(working, stored);
+            } catch (BrutException ex) {
+                throw new AndrolibException(ex);
+            }
+        }
+    }
+
     public void buildApk(File appDir) throws AndrolibException {
         LOGGER.info("Building apk file");
         File outApk = new File(appDir, OUT_APK_FILENAME);