--- a/rts/Game/WebbarBrowser.h
+++ b/rts/Game/WebbarBrowser.h
@@ -244,13 +244,18 @@
 				command = Command(order.kind);
 				command.PushParam(float(order.target));
 			} else if (order.kind == CMD_LOAD_UNITS) {
+				const bool queued = (order.options & SHIFT_KEY) != 0;
 				requireCapability(CMD_LOAD_UNITS);
 				std::erase(ids, int(order.target));
 				const CUnit* target = unitHandler.GetUnit(order.target);
 				if (ids.empty()) status = 8;
-				else if (target == nullptr || target->isDead || target->team != gu->myTeam || target->beingBuilt || target->GetTransporter() != nullptr) status = 4;
+				else if (target == nullptr || target->isDead || !WebbarVisible(target)) status = 4;
+				else if (!queued && (target->beingBuilt || target->GetTransporter() != nullptr)) status = 4;
 				else {
-					std::erase_if(ids, [&](int id) { return !unitHandler.GetUnit(id)->CanTransport(target); });
+					// Queued cargo can become eligible after an earlier unload or build.
+					// MobileCAI validates mutable capacity/terrain/cargo state on execution.
+					if (!queued)
+						std::erase_if(ids, [&](int id) { return !unitHandler.GetUnit(id)->CanTransport(target); });
 					if (ids.empty()) status = 8;
 					command.PushParam(float(order.target));
 				}