diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index f8077b8..1497d85 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -601,7 +601,7 @@
 				// If the field isn't required and we just processed a callback we'll move on...
 				if ( ! in_array('required', $rules, TRUE) AND $result !== FALSE)
 				{
-					return;
+					continue;
 				}
 			}
 			else
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 0e12779..d99a52f 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -90,6 +90,7 @@
 <h3>Bug fixes for 1.7.2</h3>
 <ul>
 	<li>Fixed assorted user guide typos or examples (#6743, #7214, #7516, #7287).</li>
+	<li>Fixed a bug in the Form Validation library where multiple callbacks weren't working (#6110)</li>
 	<li>doctype helper default value was missing a "1".</li>
 	<li>Fixed a bug with ORIG_PATH_INFO that was allowing URIs of just a slash through.</li>
 	<li>Fixed a fatal error in the Oracle and ODBC drivers (#6752)</li>