diff --git a/framework/src/main/java/org/apache/felix/framework/searchpolicy/ModuleDefinition.java b/framework/src/main/java/org/apache/felix/framework/searchpolicy/ModuleDefinition.java
index 2386acf..c5cc11e 100644
--- a/framework/src/main/java/org/apache/felix/framework/searchpolicy/ModuleDefinition.java
+++ b/framework/src/main/java/org/apache/felix/framework/searchpolicy/ModuleDefinition.java
@@ -20,10 +20,10 @@
 
 public class ModuleDefinition implements IModuleDefinition
 {
-    public R4Export[] m_exports = null;
-    public R4Import[] m_imports = null;
-    public R4Import[] m_dynamicImports = null;
-    public R4Library[] m_libraries = null;
+    private R4Export[] m_exports = null;
+    private R4Import[] m_imports = null;
+    private R4Import[] m_dynamicImports = null;
+    private R4Library[] m_libraries = null;
 
     public ModuleDefinition(
         R4Export[] exports, R4Import[] imports,