diff --git a/ai/compose.yaml b/ai/compose.yaml
index 5c15f17..e100c7e 100644
--- a/ai/compose.yaml
+++ b/ai/compose.yaml
@@ -1,6 +1,6 @@
 services:
   # PostgreSQL with pgvector for AI/RAG workloads
-  postgres:
+  ai_postgres:
     image: ${AI_POSTGRES_IMAGE:-pgvector/pgvector:pg16}
     container_name: ${AI_COMPOSE_PROJECT_NAME}_postgres
     restart: unless-stopped
@@ -31,7 +31,7 @@ services:
       TZ: ${TIMEZONE:-Europe/Berlin}
 
       # Database configuration
-      DATABASE_URL: postgresql://${AI_DB_USER}:${AI_DB_PASSWORD}@postgres:5432/${AI_DB_NAME}
+      DATABASE_URL: postgresql://${AI_DB_USER}:${AI_DB_PASSWORD}@ai_postgres:5432/${AI_DB_NAME}
 
       # OpenAI API configuration (for Claude via Anthropic API)
       OPENAI_API_BASE_URLS: ${AI_OPENAI_API_BASE_URLS:-https://api.anthropic.com/v1}
@@ -64,7 +64,7 @@ services:
     volumes:
       - ai_webui_data:/app/backend/data
     depends_on:
-      - postgres
+      - ai_postgres
     networks:
       - compose_network
     labels: