diff --git a/application/xlsxwriter.class.php b/application/xlsxwriter.class.php
index bb0d269ad..bfb1c7e9b 100644
--- a/application/xlsxwriter.class.php
+++ b/application/xlsxwriter.class.php
@@ -154,7 +154,7 @@ Class XLSXWriter
 		$cell = self::xlsCell($row_number, $column_number);
 		$s = isset($styles[$cell_format]) ? $styles[$cell_format] : '0';
 		
-		if (is_numeric($value)) {
+		if (is_int($value) || is_float($value)) {
 			fwrite($fd,'<c r="'.$cell.'" s="'.$s.'" t="n"><v>'.($value*1).'</v></c>');//int,float, etc
 		} else if ($cell_format=='date') {
 			fwrite($fd,'<c r="'.$cell.'" s="'.$s.'" t="n"><v>'.intval(self::convert_date_time($value)).'</v></c>');