diff --git a/content-warning-v3.php b/content-warning-v3.php
index 6b5ebf1..23e761b 100644
--- a/content-warning-v3.php
+++ b/content-warning-v3.php
@@ -18,7 +18,7 @@ if ( is_admin() ) {
 	require_once dirname( __FILE__ ) . '/class/admin.class.php';
 
 	$cwv3_options = new JW_SIMPLE_OPTIONS( $cwv3_op_data );
-	register_uninstall_hook( __FILE__, $cwv3_options->uninstall() );
+	register_uninstall_hook( __FILE__, array( $cwv3_options, 'uninstall' ) );
 } else {
 	require_once dirname( __FILE__ ) . '/class/main.class.php';
 }