diff --git a/moses/TranslationModel/UG/mm/ug_bitext_sampler.h b/moses/TranslationModel/UG/mm/ug_bitext_sampler.h
index a36e0772f..17de9c051 100644
--- a/moses/TranslationModel/UG/mm/ug_bitext_sampler.h
+++ b/moses/TranslationModel/UG/mm/ug_bitext_sampler.h
@@ -52,7 +52,7 @@ BitextSampler : public Moses::reference_counter
   // const members
   // SPTR<bitext const> const   m_bitext; // keep bitext alive while I am 
   // should be an 
-  iptr<bitext const> const       m_bitext; // keep bitext alive as long as I am 
+  SPTR<bitext const> const       m_bitext; // keep bitext alive as long as I am 
   size_t             const         m_plen; // length of lookup phrase
   bool               const          m_fwd; // forward or backward direction?
   SPTR<tsa const>    const         m_root; // root of suffix array
diff --git a/moses/TranslationModel/UG/mm/ug_prep_phrases.h b/moses/TranslationModel/UG/mm/ug_prep_phrases.h
index 1c62db2e3..1d04d6680 100644
--- a/moses/TranslationModel/UG/mm/ug_prep_phrases.h
+++ b/moses/TranslationModel/UG/mm/ug_prep_phrases.h
@@ -16,7 +16,7 @@ struct StatsCollector
   typedef    lru_cache::LRU_Cache< uint64_t, pstats  > hcache_t;
   typedef ThreadSafeContainer<uint64_t, SPTR<pstats> > pcache_t;
   typedef                 map<uint64_t, SPTR<pstats> > lcache_t;
-  iptr<Bitext<Token> const> bitext; // underlying bitext
+  SPTR<Bitext<Token> const> bitext; // underlying bitext
   sampling_method           method; // sampling method 
   size_t               sample_size; // sample size 
   SPTR<SamplingBias const>    bias; // sampling bias
@@ -26,7 +26,7 @@ struct StatsCollector
   SPTR<lcache_t>            lcache; // local cache
   ug::ThreadPool*            tpool; // thread pool to run jobs on 
   
-  StatsCollector(iptr<Bitext<Token> > xbitext, 
+  StatsCollector(SPTR<Bitext<Token> > xbitext, 
 		 SPTR<SamplingBias> const xbias) 
     : method(ranked_sampling)
     , sample_size(100)
diff --git a/moses/TranslationModel/UG/mmsapt.h b/moses/TranslationModel/UG/mmsapt.h
index d30177518..9dbd869df 100644
--- a/moses/TranslationModel/UG/mmsapt.h
+++ b/moses/TranslationModel/UG/mmsapt.h
@@ -71,7 +71,7 @@ namespace Moses
     typedef sapt::PhraseScorer<Token> pscorer;
   private:
     // vector<SPTR<bitext> > shards;
-    iptr<mmbitext> btfix;
+    SPTR<mmbitext> btfix;
     SPTR<imbitext> btdyn;
     std::string m_bname, m_extra_data, m_bias_file,m_bias_server;
     std::string L1;
@@ -160,7 +160,7 @@ namespace Moses
 
 #if PROVIDES_RANKED_SAMPLING
     void 
-    set_bias_for_ranking(ttasksptr const& ttask, iptr<sapt::Bitext<Token> const> bt);
+    set_bias_for_ranking(ttasksptr const& ttask, SPTR<sapt::Bitext<Token> const> bt);
 #endif
   private: