diff --git a/plugins/autolabor.cpp b/plugins/autolabor.cpp
index b95550ec1..975ac1942 100644
--- a/plugins/autolabor.cpp
+++ b/plugins/autolabor.cpp
@@ -782,6 +782,7 @@ private:
             case df::building_type::WaterWheel:
             case df::building_type::RoadPaved:
             case df::building_type::Well:
+            case df::building_type::ScrewPump:
                 {
                     df::building_actual* b = (df::building_actual*) bld;
                     if (b->design && !b->design->flags.bits.designed)