diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0dbf088..e6a111f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 All notable changes to the Form Render Skip Logic module will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [3.3.12] - 2021-05-26
+### Changed
+- Fix bug that removes arm-event after 10th control field in project level configuration, credit to REDCap community user nathan.orr (mbentz)
+
 
 ## [3.3.11] - 2020-03-20
 ### Changed
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..4d541eb
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+3.3.12
diff --git a/js/config.js b/js/config.js
index 2050a15..2833660 100644
--- a/js/config.js
+++ b/js/config.js
@@ -53,7 +53,7 @@ $(document).ready(function() {
             var branchingLogicRadios = function($radio) {
                 $radio.prop('checked', true);
 
-                var suffix = '____' + $radio.attr('name').slice(-1);
+                var suffix =  $radio.attr('name').slice($radio.attr('name').search('____'),$radio.attr('name').length);
                 var selectorShow = '[name="control_event_id' + suffix + '"], [name="control_field_key' + suffix + '"]';
                 var selectorHide = '[name="control_piping' + suffix + '"]';