diff --git a/js/data/model.js b/js/data/model.js
index 3cd5797..432d1c7 100644
--- a/js/data/model.js
+++ b/js/data/model.js
@@ -40,8 +40,8 @@ export class Model {
      */
     static async fill(model = {}, safe = false) {
         for (const [name, field] of Object.entries(this.schema)) {
-            if (model.name !== undefined) continue;
-            if (["_id"].includes(model.name)) continue;
+            if (model[name] !== undefined) continue;
+            if (["_id"].includes(model[name])) continue;
             const _private = field.private === undefined ? false : field.private;
             const increment = field.increment === undefined ? false : field.increment;
             if (_private && safe) continue;
diff --git a/test/data/mock.js b/test/data/mock.js
index fb633a5..2c3952b 100644
--- a/test/data/mock.js
+++ b/test/data/mock.js
@@ -17,6 +17,12 @@ class Person extends yonius.ModelStore {
             },
             name: {
                 initial: "dummy"
+            },
+            age: {
+                type: Number
+            },
+            info: {
+                type: Object
             }
         };
     }
diff --git a/test/data/model.js b/test/data/model.js
index 6948cc4..faf30cb 100644
--- a/test/data/model.js
+++ b/test/data/model.js
@@ -7,7 +7,11 @@ describe("Model", function() {
     describe("#fill()", function() {
         it("should be able to run simple fill operations", () => {
             const person = new mock.Person();
-            console.info(person);
+            assert.deepStrictEqual(person.identifier, undefined);
+            assert.deepStrictEqual(person.identifierSafe, undefined);
+            assert.deepStrictEqual(person.name, "dummy");
+            assert.deepStrictEqual(person.age, null);
+            assert.deepStrictEqual(person.info, null);
         });
     });
 });