diff --git a/src/spout/ref_params_xlsx.php b/src/spout/ref_params_xlsx.php
index 86cf548..cec45b4 100644
--- a/src/spout/ref_params_xlsx.php
+++ b/src/spout/ref_params_xlsx.php
@@ -6,7 +6,7 @@ class ref_params_xlsx extends ref_params {
     "view" => self::SHEET_VIEW,
     # copie de parent::SHEET
     "->setName" => ["string"],
-    "-setIsVisible" => ["bool"],
+    "->setIsVisible" => ["bool"],
     "header_style" => self::STYLE,
     "odd_style" => self::STYLE,
     "even_style" => self::STYLE,