diff --git a/Classes/PHPExcel/Worksheet.php b/Classes/PHPExcel/Worksheet.php
index 00f68fd5e..e8f9702a4 100644
--- a/Classes/PHPExcel/Worksheet.php
+++ b/Classes/PHPExcel/Worksheet.php
@@ -1203,6 +1203,7 @@ public function cellExists($pCoordinate = 'A1')
 					}
 				}
 			}
+			else { return false; }
 		}
 
 		// Uppercase coordinate