diff --git a/vm/ai-env/image.tag b/vm/ai-env/image.tag
index 098f02e..5154a39 100644
--- a/vm/ai-env/image.tag
+++ b/vm/ai-env/image.tag
@@ -1 +1 @@
-f30af2a
+683a2de
diff --git a/vm/legacy-api/apply.sh b/vm/legacy-api/apply.sh
index 7e2eca1..b498efe 100755
--- a/vm/legacy-api/apply.sh
+++ b/vm/legacy-api/apply.sh
@@ -16,7 +16,7 @@ ENV_FILE=/opt/selfheal/legacy-api.env
 umask 077
 {
   printf 'DB_DSN=postgres://app:%s@10.20.0.20:5432/app?sslmode=require\n' "${DB_PASSWORD}"
-  printf 'INSTANCE=%s\n' "$(hostname)"
+  printf 'INSTANCE=%s\n' "$(hostname -s)"
 } > "$ENV_FILE"
 unset DB_PASSWORD
 docker compose --env-file "$ENV_FILE" -f compose.yaml up -d --pull always --remove-orphans
diff --git a/vm/postgres-common/alloy.sh b/vm/postgres-common/alloy.sh
index 0722bd3..56b245d 100755
--- a/vm/postgres-common/alloy.sh
+++ b/vm/postgres-common/alloy.sh
@@ -29,7 +29,7 @@ umask 077
 cat > /etc/default/alloy <<ENV
 CONFIG_FILE="/etc/alloy/config.alloy"
 CUSTOM_ARGS="--server.http.listen-addr=127.0.0.1:12345 --storage.path=/var/lib/alloy/data"
-INSTANCE="$(hostname)"
+INSTANCE="$(hostname -s)"
 PG_DSN="postgresql://harness:${PGPASSWORD}@${IP}:5432/app?sslmode=require"
 ENV
 unset PGPASSWORD