diff --git a/bridges/inc/bridges/cpp_uno/shared/vtablefactory.hxx b/bridges/inc/bridges/cpp_uno/shared/vtablefactory.hxx
index 362fb8974ece..38f8b7ec14bc 100644
--- a/bridges/inc/bridges/cpp_uno/shared/vtablefactory.hxx
+++ b/bridges/inc/bridges/cpp_uno/shared/vtablefactory.hxx
@@ -93,6 +93,11 @@ public:
             snippets, after the vtable itself.</p>
          */
         Block * blocks;
+        Vtables()
+            : count(0)
+            , blocks(NULL)
+        {
+        }
     };
 
     VtableFactory();