diff --git a/src/ext/spout/SpoutBuilder.php b/src/ext/spout/SpoutBuilder.php
index bf8e6bb..d48ce8e 100644
--- a/src/ext/spout/SpoutBuilder.php
+++ b/src/ext/spout/SpoutBuilder.php
@@ -200,7 +200,7 @@ class SpoutBuilder extends AbstractBuilder {
 
     $sheetParams = $params["sheet"] ?? static::SHEET_PARAMS;
     $sheetName = $params["sheet_name"] ?? static::SHEET_NAME;
-    if ($sheetParams !== null) $sheetParams["name"] = $sheetName;
+    if ($sheetName !== null) $sheetParams["->setName"] = $sheetName;
     $sheetViewParams = $params["sheet_view"] ?? static::SHEET_VIEW_PARAMS;
     if ($sheetViewParams !== null) $sheetParams["view"] = $sheetViewParams;
     $this->firstSheet = true;