diff --git a/extras/Hadrons/Modules/MScalarSUN/Div.hpp b/extras/Hadrons/Modules/MScalarSUN/Div.hpp
index 4382eb9f..d1f6df26 100644
--- a/extras/Hadrons/Modules/MScalarSUN/Div.hpp
+++ b/extras/Hadrons/Modules/MScalarSUN/Div.hpp
@@ -126,7 +126,7 @@ void TDiv<SImpl>::execute(void)
     LOG(Message) << "Computing the " << par().type << " divergence of [";
     for (unsigned int mu = 0; mu < nd; ++mu)
     {
-        std::cout << par().op[mu] << ((mu == nd - 1) ? "]" : ", ");
+        std::cout << "'" << par().op[mu] << ((mu == nd - 1) ? "']" : "', ");
     }
     std::cout << std::endl;