added translation of fields passed as validation rule parameters
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 1497d85..e825b1b 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -658,7 +658,7 @@
 				// of another field?  If so we need to grab its "field label"
 				if (isset($this->_field_data[$param]) AND isset($this->_field_data[$param]['label']))
 				{
-					$param = $this->_field_data[$param]['label'];
+					$param = $this->_translate_fieldname($this->_field_data[$param]['label']);
 				}
 				
 				// Build the error message
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index e61961b..f113103 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -80,6 +80,7 @@
 	<li>Increased randomness with<kbd>is_really_writable()</kbd> to avoid file collisions when hundreds or thousands of requests occur at once.</li>
 	<li>Fixed or clarified assorted user guide typos or examples.</li>
 	<li>Made <kbd>get_mime_by_extension()</kbd> case insensitive.</li>
+	<li>Fixed a bug in the Form Validation library where fields passed as rule parameters were not being translated (#9132)</li>
 </ul>
 
 <h2>Version 1.7.2</h2>