diff --git a/example/fsm/aux_/STT_impl_gen.hpp b/example/fsm/aux_/STT_impl_gen.hpp
index d6c0ccf..f84fdca 100644
--- a/example/fsm/aux_/STT_impl_gen.hpp
+++ b/example/fsm/aux_/STT_impl_gen.hpp
@@ -36,7 +36,7 @@ struct STT_void_row_impl
 {
     typedef typename Transition::from_state_t   state_t;
     typedef typename Transition::fsm_t          fsm_t;
-    typedef	typename Transition::base_event_t   base_event_t;
+    typedef typename Transition::base_event_t   base_event_t;
 
     static long do_process_event(fsm_t&, long state, base_event_t const&)
     {
@@ -61,7 +61,7 @@ struct STT_event_row_impl
 {
     typedef typename Transition::from_state_t   state_t;
     typedef typename Transition::fsm_t          fsm_t;
-    typedef	typename Transition::base_event_t   base_event_t;
+    typedef typename Transition::base_event_t   base_event_t;
 
     static long do_process_event(fsm_t& fsm, long state, base_event_t const& evt)
     {
@@ -89,7 +89,7 @@ struct STT_state_row_impl
     : PrevRowImpl
 {
     typedef typename PrevRowImpl::fsm_t         fsm_t;
-    typedef	typename PrevRowImpl::base_event_t  base_event_t;
+    typedef typename PrevRowImpl::base_event_t  base_event_t;
 
     static long do_transition(fsm_t& fsm, long state, base_event_t const& evt)
     {
diff --git a/example/fsm/aux_/transition.hpp b/example/fsm/aux_/transition.hpp
index cf7855f..e3a220f 100644
--- a/example/fsm/aux_/transition.hpp
+++ b/example/fsm/aux_/transition.hpp
@@ -34,11 +34,11 @@ template<
 struct transition
 {
     typedef T       fsm_t;
-    typedef	From    from_state_t;
+    typedef From    from_state_t;
     typedef Event   event_t;
-    typedef	To      to_state_t;
+    typedef To      to_state_t;
 
-    typedef	typename Event::base_t	base_event_t;
+    typedef typename Event::base_t  base_event_t;
     static bool do_transition(T& x, base_event_t const& e)
     {
         assert(dynamic_cast<event_t const*>(&e) == &e);
diff --git a/example/fsm/state_machine.hpp b/example/fsm/state_machine.hpp
index 9c58a9c..4233eaa 100644
--- a/example/fsm/state_machine.hpp
+++ b/example/fsm/state_machine.hpp
@@ -33,7 +33,7 @@ template< typename Derived >
 class state_machine
 {
  private:
-    typedef	state_machine self_t;
+    typedef state_machine self_t;
     typedef aux::base_event base_event_t;
     typedef boost::shared_ptr<base_event_t const> base_event_ptr_t;
     
@@ -82,7 +82,7 @@ class state_machine
     {
     }
 
-    virtual	~state_machine()
+    virtual ~state_machine()
     {
     }
 
@@ -120,7 +120,7 @@ class state_machine
     void do_transition(base_event_t const& evt)
     {
         typedef typename Derived::transition_table STT_;
-        typedef	typename aux::STT_impl_gen< STT_ >::type STT_impl_;
+        typedef typename aux::STT_impl_gen< STT_ >::type STT_impl_;
 
         m_state = STT_impl_::do_transition(
               static_cast<Derived&>(*this)
@@ -129,7 +129,7 @@ class state_machine
             );
     }
 
-    state_t	m_state;
+    state_t m_state;
     std::queue< base_event_ptr_t > m_events_queue;
 };