diff --git a/src/brut/androlib/Androlib.java b/src/brut/androlib/Androlib.java
index 94a3f320..b8eac992 100644
--- a/src/brut/androlib/Androlib.java
+++ b/src/brut/androlib/Androlib.java
@@ -150,7 +150,8 @@ public class Androlib {
     public void build(ExtFile appDir, boolean forceBuildAll, boolean debug)
             throws AndrolibException {
         Map<String, Object> meta = readMetaFile(appDir);
-        boolean framework = (Boolean) meta.get("isFrameworkApk");
+        Object t1 = meta.get("isFrameworkApk");
+        boolean framework = t1 == null ? false : (Boolean) t1;
 
         new File(appDir, APK_DIRNAME).mkdirs();
         buildSources(appDir, forceBuildAll, debug);
diff --git a/src/brut/androlib/ApkDecoder.java b/src/brut/androlib/ApkDecoder.java
index 477d6a66..b6de62bc 100644
--- a/src/brut/androlib/ApkDecoder.java
+++ b/src/brut/androlib/ApkDecoder.java
@@ -174,9 +174,13 @@ public class ApkDecoder {
     private void writeMetaFile() throws AndrolibException {
         Map<String, Object> meta = new LinkedHashMap<String, Object>();
         meta.put("version", Androlib.getVersion());
-        meta.put("isFrameworkApk",
-            Boolean.valueOf(mAndrolib.isFrameworkApk(getResTable())));
-        putUsesFramework(meta);
+
+        if (hasResources()) {
+            meta.put("isFrameworkApk",
+                Boolean.valueOf(mAndrolib.isFrameworkApk(getResTable())));
+            putUsesFramework(meta);
+        }
+
         mAndrolib.writeMetaFile(mOutDir, meta);
     }