diff --git a/DroidFish/.classpath b/DroidFish/.classpath
index b068c94..d961127 100644
--- a/DroidFish/.classpath
+++ b/DroidFish/.classpath
@@ -3,6 +3,7 @@
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="gen"/>
 	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
-	<classpathentry combineaccessrules="false" kind="src" path="/CuckooChessEngine"/>
+	<classpathentry combineaccessrules="false" exported="true" kind="src" path="/CuckooChessEngine"/>
+	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
 	<classpathentry kind="output" path="bin/classes"/>
 </classpath>
diff --git a/DroidFish/AndroidManifest.xml b/DroidFish/AndroidManifest.xml
index 443704b..d0fb7a5 100644
--- a/DroidFish/AndroidManifest.xml
+++ b/DroidFish/AndroidManifest.xml
@@ -11,8 +11,7 @@
     <uses-sdk android:minSdkVersion="3"
               android:targetSdkVersion="10"/>
     <application android:icon="@drawable/icon"
-                 android:label="@string/app_name"
-                 android:debuggable="false">
+                 android:label="@string/app_name">
         <activity android:name=".DroidFish"
                   android:label="@string/app_name"
                   android:configChanges="orientation|keyboardHidden">
diff --git a/DroidFish/src/org/petero/droidfish/DroidFish.java b/DroidFish/src/org/petero/droidfish/DroidFish.java
index f087f62..77d9e08 100644
--- a/DroidFish/src/org/petero/droidfish/DroidFish.java
+++ b/DroidFish/src/org/petero/droidfish/DroidFish.java
@@ -142,6 +142,7 @@ public class DroidFish extends Activity implements GUIInterface {
 
     // FIXME!!! Better behavior if engine is terminated. How exactly?
     // FIXME!!! Handle PGN intents with more than one game.
+    // FIXME!!! File load/save of FEN data
     // FIXME!!! Make engine hash size configurable.
 
     private ChessBoard cb;
diff --git a/DroidFish/src/org/petero/droidfish/book/InternalBook.java b/DroidFish/src/org/petero/droidfish/book/InternalBook.java
index 5fd0d9e..75b9079 100644
--- a/DroidFish/src/org/petero/droidfish/book/InternalBook.java
+++ b/DroidFish/src/org/petero/droidfish/book/InternalBook.java
@@ -84,6 +84,8 @@ final class InternalBook implements IOpeningBook {
         numBookMoves = 0;
         try {
             InputStream inStream = getClass().getResourceAsStream("/book.bin");
+            if (inStream == null)
+                throw new IOException();
             List<Byte> buf = new ArrayList<Byte>(8192);
             byte[] tmpBuf = new byte[1024];
             while (true) {