diff --git a/src/ApiTypeDocument.js b/src/ApiTypeDocument.js
index 19acae4..ed70be0 100644
--- a/src/ApiTypeDocument.js
+++ b/src/ApiTypeDocument.js
@@ -502,17 +502,7 @@ export class ApiTypeDocument extends PropertyDocumentMixin(LitElement) {
       [item] = item;
     }
     if (this._hasType(item, this.ns.aml.vocabularies.shapes.ArrayShape)) {
-      item = this._resolve(item);
-      const itemsKey = this._getAmfKey(this.ns.aml.vocabularies.shapes.items);
-      const items = this._ensureArray(item[itemsKey]);
-      if (items && items.length === 1) {
-        let result = items[0];
-        if (Array.isArray(result)) {
-          [result] = result;
-        }
-        result = this._resolve(result);
-        return result;
-      }
+      return this._resolve(item);
     }
     if (Array.isArray(item)) {
       [item] = item;
diff --git a/test/api-type-document.test.js b/test/api-type-document.test.js
index b80a0d4..d41a651 100644
--- a/test/api-type-document.test.js
+++ b/test/api-type-document.test.js
@@ -341,7 +341,7 @@ describe('<api-type-document>', () => {
           assert.isUndefined(result);
         });
 
-        it('Computes union type for an array item', async () => {
+        it('Computes union type for an array', async () => {
           const [amf, type] = await AmfLoader.loadType('UnionArray', item[1]);
           element.amf = amf;
           key = element._getAmfKey(element.ns.aml.vocabularies.shapes.anyOf);
@@ -349,7 +349,7 @@ describe('<api-type-document>', () => {
           assert.isTrue(
             element._hasType(
               result,
-              element.ns.aml.vocabularies.shapes.ScalarShape
+              element.ns.aml.vocabularies.shapes.ArrayShape
             )
           );
         });