diff --git a/docker/db-pg.Dockerfile b/docker/db-pg.Dockerfile
index eaa2a6c77..e4b6a3330 100644
--- a/docker/db-pg.Dockerfile
+++ b/docker/db-pg.Dockerfile
@@ -9,6 +9,7 @@ ENV POSTGRES_DB=ietf
 ENV POSTGRES_HOST_AUTH_METHOD=trust
 ENV PGDATA=/data
 
+COPY docker/scripts/db-load-default-extensions.sh /docker-entrypoint-initdb.d/
 COPY docker/scripts/db-pg-import.sh /docker-entrypoint-initdb.d/
 COPY ietf.dump /
 
diff --git a/docker/scripts/db-load-default-extensions.sh b/docker/scripts/db-load-default-extensions.sh
new file mode 100644
index 000000000..914e4a961
--- /dev/null
+++ b/docker/scripts/db-load-default-extensions.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+set -e
+
+psql -U django -d template1 -v ON_ERROR_STOP=1 -c 'CREATE EXTENSION IF NOT EXISTS citext;'
+