diff --git a/scripts/install b/scripts/install
index 71abaec26a0cf932008314c2fe8fd4dfa688cf20..67cbaa8542ce5925b810404b5dd824e7359fff65 100755
--- a/scripts/install
+++ b/scripts/install
@@ -7,9 +7,9 @@ echo "DISCOURSE_SMTP_USER_NAME=${MAIL_USER}" >> .env
 echo "DISCOURSE_SMTP_PASSWORD=${MAIL_PASS}" >> .env
 echo "DISCOURSE_DB_PASSWORD=${PG_PASSWORD}" >> .env
 echo "POSTGRES_PASSWORD=${PG_PASSWORD}" >> .env
-echo "SUBNET=${SUBNET}" >> .env
+echo "SUBNET=${SUBNET:-0}" >> .env
 
-mkdir -p ./data/{assets,uploads,backups}
+mkdir -p ./data/{assets,uploads,backups,redis,postgres}
 
 chown -R 1000:1000 ./data/