diff --git a/packages/dev/src/main.ts b/packages/dev/src/main.ts
index 1690801f..23999cf7 100644
--- a/packages/dev/src/main.ts
+++ b/packages/dev/src/main.ts
@@ -529,6 +529,7 @@ export class NetlifyDev {
         const connectionString = await db.start()
 
         runtime.env.set('NETLIFY_DB_URL', connectionString)
+        runtime.env.set('NETLIFY_DB_DRIVER', 'server')
 
         state.set('dbConnectionString', connectionString)