X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ebec9c6104a6bbe60b7bf4586baeaf0b88f53505..365a83d3a1407923acccab758f9225e11408b5c6:/include/simgrid/s4u/Task.hpp

diff --git a/include/simgrid/s4u/Task.hpp b/include/simgrid/s4u/Task.hpp
index 28a9211376..4c44875690 100644
--- a/include/simgrid/s4u/Task.hpp
+++ b/include/simgrid/s4u/Task.hpp
@@ -55,7 +55,7 @@ protected:
   virtual void fire(std::string instance);
   void complete(std::string instance);
 
-  void store_activity(ActivityPtr a, std::string instance) { current_activities_[instance].push_back(a); }
+  void store_activity(ActivityPtr a, const std::string& instance) { current_activities_[instance].push_back(a); }
 
   virtual void add_instances(int n);
   virtual void remove_instances(int n);