diff --git a/src/Migration/Adapter/Generator/PhinxMySqlColumnOptionGenerator.php b/src/Migration/Adapter/Generator/PhinxMySqlColumnOptionGenerator.php
index 57c232f06..664bbb336 100644
--- a/src/Migration/Adapter/Generator/PhinxMySqlColumnOptionGenerator.php
+++ b/src/Migration/Adapter/Generator/PhinxMySqlColumnOptionGenerator.php
@@ -190,7 +190,7 @@ private function getPhinxColumnOptionsTimestamp(array $attributes, array $column
     {
         // default set default value (use with CURRENT_TIMESTAMP)
         // on update CURRENT_TIMESTAMP
-        if (strpos($columnData['EXTRA'], 'on update CURRENT_TIMESTAMP') !== false) {
+        if (stripos($columnData['EXTRA'], 'on update CURRENT_TIMESTAMP') !== false) {
             $attributes['update'] = 'CURRENT_TIMESTAMP';
         }