diff --git a/src/Plugin/Field/FieldType/TemplateWhispererFieldItem.php b/src/Plugin/Field/FieldType/TemplateWhispererFieldItem.php
index 46aca42..8b73ed7 100644
--- a/src/Plugin/Field/FieldType/TemplateWhispererFieldItem.php
+++ b/src/Plugin/Field/FieldType/TemplateWhispererFieldItem.php
@@ -15,7 +15,7 @@
  *   id = "template_whisperer",
  *   label = @Translation("Template Whisperer"),
  *   description = @Translation("This field stores a Template Whisperer entity reference."),
- *   category = @Translation("General"),
+ *   category = "general",
  *   default_widget = "template_whisperer",
  *   default_formatter = "template_whisperer",
  * )
diff --git a/template_whisperer.module b/template_whisperer.module
index 221f399..7bfa46b 100644
--- a/template_whisperer.module
+++ b/template_whisperer.module
@@ -5,6 +5,8 @@
  * Contains template_whisperer.module.
  */
 
+use Drupal\Core\StringTranslation\TranslatableMarkup;
+
 require_once 'inc/suggestions/page.inc';
 require_once 'inc/suggestions/entity.inc';
 
@@ -16,6 +18,19 @@ function template_whisperer_theme_suggestions_alter(array &$suggestions, array $
   _template_whisperer_theme_suggestions_entity($suggestions, $variables, $hook);
 }
 
+/**
+ * Implements hook_field_info_alter().
+ *
+ * @todo Remove once minimum version supported is at least 10.2.0.
+ * @see https://www.drupal.org/node/3375748
+ */
+function template_whisperer_field_info_alter(array &$info): void {
+  // Allow module to work with versions of older versions of Drupal.
+  if (\version_compare(\Drupal::VERSION, '10.1.9999', '<')) {
+    $info['general']['category'] = new TranslatableMarkup("General");
+  }
+}
+
 require_once 'inc/rm_cardinality.inc';
 require_once 'inc/help.inc';
 require_once 'inc/tokens.inc';