diff --git a/addon/active-model-adapter.ts b/addon/active-model-adapter.ts
index 8d90a84..82ab953 100644
--- a/addon/active-model-adapter.ts
+++ b/addon/active-model-adapter.ts
@@ -1,8 +1,6 @@
 import RESTAdapter from '@ember-data/adapter/rest';
-import AdapterError, {
-  InvalidError,
-  errorsHashToArray,
-} from '@ember-data/adapter/error';
+import AdapterError, { InvalidError } from '@ember-data/adapter/error';
+import errorsHashToArray from './errors-hash-to-array';
 import { pluralize } from 'ember-inflector';
 import { AnyObject } from 'active-model-adapter';
 import { decamelize, underscore } from '@ember/string';
diff --git a/addon/errors-hash-to-array.ts b/addon/errors-hash-to-array.ts
new file mode 100644
index 0000000..c53738b
--- /dev/null
+++ b/addon/errors-hash-to-array.ts
@@ -0,0 +1,83 @@
+import { AnyObject } from 'active-model-adapter';
+
+const PRIMARY_ATTRIBUTE_KEY = 'base';
+
+interface ErrorObject {
+  title: string;
+  detail: string;
+  source: {
+    pointer: string;
+  };
+}
+
+/**
+ * Convert an hash of errors into an array with errors in JSON-API format.
+ *
+ * ```javascript
+ * import { errorsHashToArray } from '@ember-data/adapter/error';
+ *
+ * let errors = {
+ *   base: 'Invalid attributes on saving this record',
+ *   name: 'Must be present',
+ *   age: ['Must be present', 'Must be a number']
+ * };
+ * let errorsArray = errorsHashToArray(errors);
+ * // [
+ * //   {
+ * //     title: "Invalid Document",
+ * //     detail: "Invalid attributes on saving this record",
+ * //     source: { pointer: "/data" }
+ * //   },
+ * //   {
+ * //     title: "Invalid Attribute",
+ * //     detail: "Must be present",
+ * //     source: { pointer: "/data/attributes/name" }
+ * //   },
+ * //   {
+ * //     title: "Invalid Attribute",
+ * //     detail: "Must be present",
+ * //     source: { pointer: "/data/attributes/age" }
+ * //   },
+ * //   {
+ * //     title: "Invalid Attribute",
+ * //     detail: "Must be a number",
+ * //     source: { pointer: "/data/attributes/age" }
+ * //   }
+ * // ]
+ * ```
+ * @method errorsHashToArray
+ * @for @ember-data/adapter/error
+ * @static
+ * @param errors hash with errors as properties
+ * @return array of errors in JSON-API format
+ */
+export default function errorsHashToArray(errors: AnyObject) {
+  const out: ErrorObject[] = [];
+
+  if (errors) {
+    Object.keys(errors).forEach((key) => {
+      const messages = makeArray(errors[key]);
+      for (let i = 0; i < messages.length; i++) {
+        let title = 'Invalid Attribute';
+        let pointer = `/data/attributes/${key}`;
+        if (key === PRIMARY_ATTRIBUTE_KEY) {
+          title = 'Invalid Document';
+          pointer = `/data`;
+        }
+        out.push({
+          title: title,
+          detail: messages[i],
+          source: {
+            pointer: pointer,
+          },
+        });
+      }
+    });
+  }
+
+  return out;
+}
+
+function makeArray(value: unknown) {
+  return Array.isArray(value) ? value : [value];
+}