diff --git a/packages/astro/src/integrations/features-validation.ts b/packages/astro/src/integrations/features-validation.ts
index 17302cfe94..84936ffb34 100644
--- a/packages/astro/src/integrations/features-validation.ts
+++ b/packages/astro/src/integrations/features-validation.ts
@@ -94,7 +94,7 @@ export function validateSupportedFeatures(
 		adapterName,
 		logger,
 		'astro:env getSecret',
-		() => Object.keys(config?.env.schema ?? {}).length !== 0,
+		() => Object.keys(config?.env?.schema ?? {}).length !== 0,
 	);
 
 	return validationResult;