diff --git a/email.diff.inc b/email.diff.inc
new file mode 100644
index 0000000..b9a54ff
--- /dev/null
+++ b/email.diff.inc
@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * @file
+ * Provide diff field functions for the Email module.
+ */
+
+/**
+ * Diff field callback for parsing email fields comparative values.
+ */
+function email_field_diff_view($items, $context) {
+  $diff_items = array();
+  foreach ($items as $delta => $item) {
+    $diff_items[$delta] = $item['email'];
+  }
+  return $diff_items;
+}