diff --git a/src/game_events/action_wml.cpp b/src/game_events/action_wml.cpp
index 20de440220eb..ef2be6ae00aa 100644
--- a/src/game_events/action_wml.cpp
+++ b/src/game_events/action_wml.cpp
@@ -681,7 +681,7 @@ WML_HANDLER_FUNCTION(set_variables,, cfg)
 
 				for(std::vector<std::string>::iterator i=split_vector.begin(); i!=split_vector.end(); ++i)
 				{
-					data.push_back(config_of(key_name, *i));
+					data.emplace_back(config_of(key_name, *i));
 				}
 			}
 		}
diff --git a/src/playturn_network_adapter.cpp b/src/playturn_network_adapter.cpp
index 0a032b849e86..19dc8d12c8f0 100644
--- a/src/playturn_network_adapter.cpp
+++ b/src/playturn_network_adapter.cpp
@@ -55,7 +55,7 @@ void playturn_network_adapter::read_from_network()
 		config child;
 		child["side_num"] = back["side_drop"];
 		child["controller"] = back["controller"];
-		this->data_.push_back(config_of("side_drop", child));
+		this->data_.emplace_back(config_of("side_drop", child));
 		back.remove_attribute("side_drop");
 		back.remove_attribute("controller");
 	}