diff --git a/src/services/MetaService.ts b/src/services/MetaService.ts
index a06e4d2..0f0fe56 100644
--- a/src/services/MetaService.ts
+++ b/src/services/MetaService.ts
@@ -291,6 +291,9 @@ export class MetaService {
     for (const field of fields) {
       const cleaned: string = this._clean(field);
       const meta: FieldMap = this.memory[cleaned];
+      if (meta === undefined) {
+        continue;
+      }
       if (meta && meta.name === 'id') {
         result.unshift(meta);
       } else {