diff --git a/src/game_events/manager.cpp b/src/game_events/manager.cpp
index 6cd6f03a7f3f..cd8e0de18a4c 100644
--- a/src/game_events/manager.cpp
+++ b/src/game_events/manager.cpp
@@ -164,7 +164,7 @@ void manager::add_events(const config::const_child_itors& cfgs, game_lua_kernel&
 
 	for(const config& new_ev : cfgs) {
 		if(type.empty() && new_ev["id"].empty()) {
-			WRN_NG << "attempt to add an [event] with empty id=, ignoring ";
+			WRN_NG << "attempt to add an [event] with empty id= from [unit], ignoring ";
 			continue;
 		}