please clang

diff --git a/include/simgrid/s4u/Comm.hpp b/include/simgrid/s4u/Comm.hpp
index d59fc2a..2502a97 100644 (file)
--- a/include/simgrid/s4u/Comm.hpp
+++ b/include/simgrid/s4u/Comm.hpp
@@ -10,6 +10,7 @@
 #include <simgrid/s4u/Activity.hpp>
 
 #include <atomic>
+#include <string>
 #include <vector>
 
 namespace simgrid {