X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/cef6554994ae17d8f56c9245ad2c10c7cf39af8c..3f9b311ec56db95ec539001a860ae3c838c48312:/include/simgrid/s4u/Task.hpp

diff --git a/include/simgrid/s4u/Task.hpp b/include/simgrid/s4u/Task.hpp
index 03ee2653ba..f10729b324 100644
--- a/include/simgrid/s4u/Task.hpp
+++ b/include/simgrid/s4u/Task.hpp
@@ -64,7 +64,7 @@ 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);