diff --git a/core/postinit.js b/core/postinit.js
index 05bc5aa..2673d2d 100644
--- a/core/postinit.js
+++ b/core/postinit.js
@@ -285,6 +285,9 @@ const modapi_postinit = "(" + (() => {
         return null;
     }
     ModAPI.array.object = function (jclass, size) {
+        if (typeof jclass = "string") {
+            jclass = ModAPI.reflect.getClassById(jclass).class;
+        }
         if (Array.isArray(size)) {
             return ModAPI.hooks._teavm.$rt_createArrayFromData(jclass, size);
         }