diff --git a/owlps-positioning/src/positioning.cc b/owlps-positioning/src/positioning.cc
index 38480e0..0e94cd9 100644
--- a/owlps-positioning/src/positioning.cc
+++ b/owlps-positioning/src/positioning.cc
@@ -97,7 +97,21 @@ void Positioning::loop()
       for (algo = algorithms.begin() ; algo != algorithms.end() ;
            ++algo)
         {
-          Result res((*algo)->compute(request)) ;
+          Result res ;
+
+          try
+            {
+              res = (*algo)->compute(request) ;
+            }
+          catch (exception &e)
+            {
+              cerr
+                  << "Cannot compute with algorithm "
+                  << (*algo)->get_name() << ": « "
+                  << e.what() << " »\n" ;
+              continue ;
+            }
+
           if (compute_error)
             res.compute_error(real_position) ;
           else if ((*algo)->get_name() == "Real")
@@ -105,6 +119,7 @@ void Positioning::loop()
               compute_error = true ;
               real_position = res.get_position() ;
             }
+
           results.add(res) ;
         }