diff --git a/src/db/db/dbHierProcessor.cc b/src/db/db/dbHierProcessor.cc
index b079a60c1..ab05402bf 100644
--- a/src/db/db/dbHierProcessor.cc
+++ b/src/db/db/dbHierProcessor.cc
@@ -1154,6 +1154,7 @@ template class DB_PUBLIC local_processor_context_computation_task<db::PolygonRef
 template class DB_PUBLIC local_processor_context_computation_task<db::PolygonRef, db::Edge, db::PolygonRef>;
 template class DB_PUBLIC local_processor_context_computation_task<db::PolygonRef, db::PolygonRef, db::EdgePair>;
 template class DB_PUBLIC local_processor_context_computation_task<db::Polygon, db::Polygon, db::EdgePair>;
+template class DB_PUBLIC local_processor_context_computation_task<db::Polygon, db::Polygon, db::Edge>;
 template class DB_PUBLIC local_processor_context_computation_task<db::Edge, db::Edge, db::Edge>;
 template class DB_PUBLIC local_processor_context_computation_task<db::Edge, db::PolygonRef, db::Edge>;
 template class DB_PUBLIC local_processor_context_computation_task<db::Edge, db::Edge, db::EdgePair>;