diff --git a/src/@utils/aquarius.ts b/src/@utils/aquarius.ts
index 51e1adc0e..ea574a524 100644
--- a/src/@utils/aquarius.ts
+++ b/src/@utils/aquarius.ts
@@ -165,7 +165,7 @@ export async function retrieveAsset(
     }
   }
 }
-let schema: any
+let schema: Promise<ShaclSchema>
 export function retrieveShaclSchema(): Promise<ShaclSchema> {
   if (schema) return schema