diff --git a/include/GaussianEMRestraint.h b/include/GaussianEMRestraint.h
index d1dee7f5fff5ab4fb403c80817d4b3b802a74269..8f49094828f0053af7e8619c21c13be9ee64b0f5 100755
--- a/include/GaussianEMRestraint.h
+++ b/include/GaussianEMRestraint.h
@@ -144,7 +144,7 @@ class IMPBAYESIANEMEXPORT GaussianEMRestraint : public Restraint
   Float dd_score_;
   Float self_mm_score_;
   PointerMember<container::CloseBipartitePairContainer> md_container_;
-  Pointer<container::ClosePairContainer> mm_container_;
+  PointerMember<container::ClosePairContainer> mm_container_;
   ParticleIndexes slope_ps_; //experiment
   std::map<ParticleIndex,Float> map_score_dd_;
   Float cached_score_term_;