diff --git a/C/terms.c b/C/terms.c
index 970e04b2a..bb7fedf24 100644
--- a/C/terms.c
+++ b/C/terms.c
@@ -1403,10 +1403,10 @@ static Int create_entry(Term t, Int i, Int j,  cl_connector * q, Int max) {
   } else if (IsApplTerm(t)) {
     Int me;
     h = (CELL)FunctorOfTerm(t);
-    n = ArityOfFunctor((Functor)h);
     if (IsExtensionFunctor((Functor)h)) {
       return -1;
     }
+    n = ArityOfFunctor((Functor)h);
      if (IsAtomTerm(h) &&
       (me = t_ref((cl_connector*)AtomOfTerm(h),q,max)) >= 0) {
         return me;
@@ -1447,6 +1447,7 @@ Int cp_link(Term t, Int i, Int j, cl_connector * q, Int max, CELL * tailp) {
     if (IsVarTerm(ref)) {
       q[i].copy[j] = ref;
     }  else if (i == 0){
+
      Term p = TermNil;
      Term v =	UNFOLD_LOOP(ref,&p);
      q[i].reference = HeadOfTerm(p);
@@ -1457,6 +1458,7 @@ Int cp_link(Term t, Int i, Int j, cl_connector * q, Int max, CELL * tailp) {
     q[i].copy[j] = v;
     q[me].parent[0] = v;
     q[i].reference = v;
+
   }
   return max;
 }
@@ -1480,7 +1482,8 @@ Term Yap_BreakCycles(Term inp, UInt arity, Term * listp USES_REGS) {
     return t;
   } else {
     // initialization
-    qlen = create_entry(Deref(t), i, 0, q, qlen);
+    fprintf(stderr,"C i=%ld,%ld   %lx\n",  i, 0, q[i].copy[0]);      }
+  qlen = create_entry(Deref(t), i, 0, q, qlen);
     while(i<qlen) {
       arity_t n, j;
       if (IsPairTerm(q[i].source)) {
diff --git a/packages/CLPBN/CMakeLists.txt b/packages/CLPBN/CMakeLists.txt
index 2bf325029..0dd3e290b 100644
--- a/packages/CLPBN/CMakeLists.txt
+++ b/packages/CLPBN/CMakeLists.txt
@@ -89,14 +89,12 @@ set(
   ex/learning/train.yap
   )
 
-IF (WITH_HORUS)
 include(CheckCXXCompilerFlag)
 CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
 CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
 if(COMPILER_SUPPORTS_CXX11)
   add_subDIRECTORY (horus)
   endif()
-ENDIF()
 
 install(FILES
   ${CLPBN_TOP}
diff --git a/packages/CLPBN/horus/CMakeLists.txt b/packages/CLPBN/horus/CMakeLists.txt
index 398582a5c..ff89b3c31 100644
--- a/packages/CLPBN/horus/CMakeLists.txt
+++ b/packages/CLPBN/horus/CMakeLists.txt
@@ -68,7 +68,7 @@ if (CMAKE_MAJOR_VERSION GREATER 2)
 
 
   install(TARGETS  horus HorusCli
-    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+    RUNTIME DESTINATION ${YAP_INSTALL_LIBDIR}
     LIBRARY DESTINATION ${YAP_INSTALL_LIBDIR}
     ARCHIVE DESTINATION ${YAP_INSTALL_LIBDIR}
     )