diff --git a/moses/RuleCube.h b/moses/RuleCube.h
index 78c77fd07..58707218f 100644
--- a/moses/RuleCube.h
+++ b/moses/RuleCube.h
@@ -57,8 +57,13 @@ class RuleCubeItemHasher
 public:
   size_t operator()(const RuleCubeItem *p) const {
     size_t seed = 0;
-    boost::hash_combine(seed, p->GetHypothesisDimensions());
-    boost::hash_combine(seed, p->GetTranslationDimension().GetTranslationOption().get());
+    const std::vector<HypothesisDimension> &hypoDim = p->GetHypothesisDimensions();
+    const ChartTranslationOption *transOpt = p->GetTranslationDimension().GetTranslationOption().get();
+
+    boost::hash_combine(seed, hypoDim);
+    boost::hash_combine(seed, transOpt);
+
+    std::cerr << seed << " ";
     return seed;
   }
 };
@@ -69,8 +74,9 @@ class RuleCubeItemEqualityPred
 {
 public:
   bool operator()(const RuleCubeItem *p, const RuleCubeItem *q) const {
-    return p->GetHypothesisDimensions() == q->GetHypothesisDimensions() &&
-           p->GetTranslationDimension() == q->GetTranslationDimension();
+    bool ret = p->GetHypothesisDimensions() == q->GetHypothesisDimensions() &&
+            p->GetTranslationDimension() == q->GetTranslationDimension();
+    return ret;
   }
 };
 
diff --git a/moses/RuleCubeItem.h b/moses/RuleCubeItem.h
index 3e687d194..bcb0f8d42 100644
--- a/moses/RuleCubeItem.h
+++ b/moses/RuleCubeItem.h
@@ -58,11 +58,11 @@ public:
   }
 
   bool operator<(const TranslationDimension &compare) const {
-    return GetTranslationOption()->GetPhrase() < compare.GetTranslationOption()->GetPhrase();
+    return GetTranslationOption().get() < compare.GetTranslationOption().get();
   }
 
   bool operator==(const TranslationDimension &compare) const {
-    return GetTranslationOption()->GetPhrase() == compare.GetTranslationOption()->GetPhrase();
+    return GetTranslationOption().get() == compare.GetTranslationOption().get();
   }
 
 private:
diff --git a/moses/TargetPhrase.h b/moses/TargetPhrase.h
index 476d32910..7b0cfbc2a 100644
--- a/moses/TargetPhrase.h
+++ b/moses/TargetPhrase.h
@@ -140,6 +140,9 @@ public:
 
   void Merge(const TargetPhrase &copy, const std::vector<FactorType>& factorVec);
 
+  bool operator< (const TargetPhrase &compare) const; // NOT IMPLEMENTED
+  bool operator== (const TargetPhrase &compare) const; // NOT IMPLEMENTED
+
   TO_STRING();
 };