diff --git a/data/testing/appendArray_objects/animalsObjects.json b/data/testing/appendArray_objects/animalsObjects.json
index a9d94a6..7046d40 100644
--- a/data/testing/appendArray_objects/animalsObjects.json
+++ b/data/testing/appendArray_objects/animalsObjects.json
@@ -4,5 +4,6 @@
 			{"animal": "cat"}
 	],
 	"others": {"animal": "human"},
-	"fictional": {"animal": "unicorn"}
+	"fictional": {"animal": "unicorn"},
+	"exstinct": {"animal": "dodo"}
 }
\ No newline at end of file
diff --git a/data/testing/appendArray_objects/expected_object.json b/data/testing/appendArray_objects/expected_object.json
index b9c62e4..13cf3ee 100644
--- a/data/testing/appendArray_objects/expected_object.json
+++ b/data/testing/appendArray_objects/expected_object.json
@@ -1,10 +1,25 @@
 {
-	"animals":[
-			{"animal": "dog"},
-			{"animal": "cat"},
-			{"animal": "human"},
-			{"animal": "unicorn"},
-			{"animal": "earthworm"}
+	"animals": [
+		{
+			"animal": "dodo"
+		},
+		{
+			"animal": "dog"
+		},
+		{
+			"animal": "cat"
+		},
+		{
+			"animal": "human"
+		},
+		{
+			"animal": "unicorn"
+		},
+		{
+			"animal": "earthworm"
+		}
 	],
-	"others": {"animal": "human"}
+	"others": {
+		"animal": "human"
+	}
 }
\ No newline at end of file
diff --git a/data/testing/appendArray_objects/result_object.json b/data/testing/appendArray_objects/result_object.json
index 31aefed..e1885b6 100644
--- a/data/testing/appendArray_objects/result_object.json
+++ b/data/testing/appendArray_objects/result_object.json
@@ -8,5 +8,8 @@
   } ],
   "others" : {
     "animal" : "human"
+  },
+  "exstinct" : {
+    "animal" : "dodo"
   }
 }
diff --git a/data/testing/appendArray_objects/test_append_object.fix b/data/testing/appendArray_objects/test_append_object.fix
index f7bea09..83c4abf 100644
--- a/data/testing/appendArray_objects/test_append_object.fix
+++ b/data/testing/appendArray_objects/test_append_object.fix
@@ -2,4 +2,6 @@ copy_field("others", "animals[].$append")
 
 move_field("fictional", "animals[].$append")
 
-add_field("animals[].$append.animal", "earthworm")
\ No newline at end of file
+add_field("animals[].$append.animal", "earthworm")
+
+copy_field("extinct", "animals[].$prepend")
\ No newline at end of file