diff --git a/lib/Lacuna/RPC/Building/BlackHoleGenerator.pm b/lib/Lacuna/RPC/Building/BlackHoleGenerator.pm
index ca56aa77..61720477 100644
--- a/lib/Lacuna/RPC/Building/BlackHoleGenerator.pm
+++ b/lib/Lacuna/RPC/Building/BlackHoleGenerator.pm
@@ -1982,7 +1982,7 @@ sub bhg_resource {
     $body->empire->send_predefined_message(
         tags     => ['Alert'],
         filename => 'wormhole.txt',
-        params   => [$body->name, $waste_msg, $resource_msg],
+        params   => [$body->x, $body->y, $body->name, $waste_msg, $resource_msg],
     );
     $body->update({
         needs_recalc => 1,