diff --git a/trunk/paradiseo-mo/src/algo/moFirstImprHC.h b/trunk/paradiseo-mo/src/algo/moFirstImprHC.h
index 67030da6e..4793ef626 100644
--- a/trunk/paradiseo-mo/src/algo/moFirstImprHC.h
+++ b/trunk/paradiseo-mo/src/algo/moFirstImprHC.h
@@ -90,6 +90,14 @@ public:
             explorer(_neighborhood, _eval, _compN, _compSN)
     {}
 
+  /**
+   * to never stop the hill climbing
+   * 
+   */
+  virtual void alwaysContinue() {
+    explorer.alwaysContinue();
+  }
+
   /**
    * Return the class id.
    * @return the class name as a std::string
diff --git a/trunk/paradiseo-mo/src/continuator/moTimeContinuator.h b/trunk/paradiseo-mo/src/continuator/moTimeContinuator.h
index c393a07ec..2e4b4d686 100644
--- a/trunk/paradiseo-mo/src/continuator/moTimeContinuator.h
+++ b/trunk/paradiseo-mo/src/continuator/moTimeContinuator.h
@@ -44,7 +44,7 @@ public:
 
     /**
      * Constructor
-     * @param _max maximum running time
+     * @param _max maximum running time (in second)
      * @param _verbose verbose mode true/false -> on/off
      */
     moTimeContinuator(time_t _max, bool _verbose = true): max(_max), verbose(_verbose) {
diff --git a/trunk/paradiseo-mo/src/explorer/moFirstImprHCexplorer.h b/trunk/paradiseo-mo/src/explorer/moFirstImprHCexplorer.h
index 4689ca9f0..16378e429 100644
--- a/trunk/paradiseo-mo/src/explorer/moFirstImprHCexplorer.h
+++ b/trunk/paradiseo-mo/src/explorer/moFirstImprHCexplorer.h
@@ -64,6 +64,7 @@ public:
      */
     moFirstImprHCexplorer(Neighborhood& _neighborhood, moEval<Neighbor>& _eval, moNeighborComparator<Neighbor>& _neighborComparator, moSolNeighborComparator<Neighbor>& _solNeighborComparator) : moNeighborhoodExplorer<Neighbor>(_neighborhood, _eval), neighborComparator(_neighborComparator), solNeighborComparator(_solNeighborComparator) {
         isAccept = false;
+	stop = true;
     }
 
     /**
@@ -72,6 +73,14 @@ public:
     ~moFirstImprHCexplorer() {
     }
 
+    /**
+     * to never stop the hill climbing
+     * 
+     */
+    virtual void alwaysContinue() {
+      stop = false;
+    }
+
     /**
      * initParam: NOTHING TO DO
      * @param _solution unused solution
@@ -122,12 +131,15 @@ public:
     };
 
     /**
-     * continue if a move is accepted
+     * continue if a move is accepted, or according to the flag 'stop'
      * @param _solution the solution
      * @return true if an ameliorated neighbor was found
      */
     virtual bool isContinue(EOT & _solution) {
+      if (stop)
         return isAccept ;
+      else
+	return true;
     };
 
     /**
@@ -149,6 +161,10 @@ private:
 
     // true if the move is accepted
     bool isAccept ;
+
+  // if true the HC stop when to improving solution is found
+  // if false : never stop, always continue (external continuator)
+  bool stop ;
 };