diff --git a/scripts/ci/install_postgres.sh b/scripts/ci/install_postgres.sh
index 391971d..1b3929f 100644
--- a/scripts/ci/install_postgres.sh
+++ b/scripts/ci/install_postgres.sh
@@ -32,8 +32,6 @@ apt-get -y install postgresql-${PGSQL_VERSION} postgresql-${PGSQL_VERSION}-postg
 # Configure it to accept local connections from postgres
 echo -e "# TYPE  DATABASE        USER            ADDRESS                 METHOD \nlocal   all             postgres                                trust\nlocal   all             all                                     trust\nhost    all             all             127.0.0.1/32            trust" > /etc/postgresql/${PGSQL_VERSION}/main/pg_hba.conf
 
-psql -U postgres -c  "CREATE LANGUAGE plpythonu;"
-
 # Restart PostgreSQL
 /etc/init.d/postgresql restart ${PGSQL_VERSION}
 
diff --git a/src/pg/test/expected/01_install_test.out b/src/pg/test/expected/01_install_test.out
index d6e253f..213e9c2 100644
--- a/src/pg/test/expected/01_install_test.out
+++ b/src/pg/test/expected/01_install_test.out
@@ -1,5 +1,6 @@
 -- Install dependencies
 CREATE EXTENSION postgis;
+CREATE LANGUAGE plpythonu;
 -- Install the extension
 CREATE EXTENSION observatory VERSION 'dev';
 \i test/fixtures/load_fixtures.sql
diff --git a/src/pg/test/sql/01_install_test.sql b/src/pg/test/sql/01_install_test.sql
index 5c2dbf3..fe536ca 100644
--- a/src/pg/test/sql/01_install_test.sql
+++ b/src/pg/test/sql/01_install_test.sql
@@ -1,5 +1,6 @@
 -- Install dependencies
 CREATE EXTENSION postgis;
+CREATE LANGUAGE plpythonu;
 
 -- Install the extension
 CREATE EXTENSION observatory VERSION 'dev';