diff --git a/gen3/bin/kube-setup-gen3-user-data-library.sh b/gen3/bin/kube-setup-gen3-user-data-library.sh
index affd79715..2ba093bd3 100644
--- a/gen3/bin/kube-setup-gen3-user-data-library.sh
+++ b/gen3/bin/kube-setup-gen3-user-data-library.sh
@@ -39,7 +39,7 @@ setup_database() {
     local db_password=$(jq -r .db_password < "$secretsFolder/dbcreds.json")
     local db_database=$(jq -r .db_database < "$secretsFolder/dbcreds.json")
     cat - > "$secretsFolder/gen3-user-data-library.env" <<EOM
-DB_CONNECTION_STRING=postgresql+asyncpg://$db_user:$db_password@$db_host/$db_database
+DB_CONNECTION_STRING=postgresql+asyncpg://$db_user:$db_password@$db_host:5432/$db_database
 EOM
     # make it easy for nginx to get the Authorization header ...
     echo -n "gateway:$password" | base64 > "$secretsFolder/base64Authz.txt"