diff --git a/Classes/PHPExcel/Cell.php b/Classes/PHPExcel/Cell.php
index 73495d58..cbd8a8f7 100644
--- a/Classes/PHPExcel/Cell.php
+++ b/Classes/PHPExcel/Cell.php
@@ -377,7 +377,7 @@ class PHPExcel_Cell
      */
     public function isFormula()
     {
-        return $this->_dataType == PHPExcel_Cell_DataType::TYPE_FORMULA
+        return $this->_dataType == PHPExcel_Cell_DataType::TYPE_FORMULA;
     }
     
 	/**