diff --git a/testsetup/postgresql_setup.sql b/testsetup/postgresql_setup.sql
index 51414863c..837c978ac 100644
--- a/testsetup/postgresql_setup.sql
+++ b/testsetup/postgresql_setup.sql
@@ -1,5 +1,6 @@
 -- Create extensions and types.
 create extension hstore;
+create extension ltree;
 create domain uint64 as numeric(20,0);
 
 -- Create users for different types of connections and authentication.