diff --git a/src/autoreplace_cmd.cpp b/src/autoreplace_cmd.cpp
index a021fa9cb2..2b676bfa63 100644
--- a/src/autoreplace_cmd.cpp
+++ b/src/autoreplace_cmd.cpp
@@ -631,6 +631,7 @@ static CommandCost ReplaceChain(Vehicle **chain, DoCommandFlag flags, bool wagon
 				/* Success ! */
 				if ((flags & DC_EXEC) != 0 && new_head != old_head) {
 					*chain = new_head;
+					AI::NewEvent(old_head->owner, new ScriptEventVehicleAutoReplaced(old_head->index, new_head->index));
 				}
 
 				/* Transfer cargo of old vehicles and sell them */
@@ -644,10 +645,7 @@ static CommandCost ReplaceChain(Vehicle **chain, DoCommandFlag flags, bool wagon
 
 					if ((flags & DC_EXEC) != 0) {
 						old_vehs[i] = nullptr;
-						if (i == 0) {
-							AI::NewEvent(old_head->owner, new ScriptEventVehicleAutoReplaced(old_head->index, new_head->index));
-							old_head = nullptr;
-						}
+						if (i == 0) old_head = nullptr;
 					}
 					/* Sell the vehicle.
 					 * Note: This might temporarily construct new trains, so use DC_AUTOREPLACE to prevent