1 files changed, 1 insertions, 1 deletions
diff --git a/it.class b/it.class
index b6cb955..9525e86 100644
--- a/it.class
+++ b/it.class
@@ -524,7 +524,7 @@ static function _exec_quotevalue($value, $errmsg = "")
 	if (it::match('^-', $result))
 		it::fatal("leading - in value: " . $errmsg);
 
-	return preg_match('#^[-a-z0-9./_:,]+$#', $result) ? $result : escapeshellarg($result);
+	return preg_match('#^[-a-zA-Z0-9./_:,]+$#', $result) ? $result : escapeshellarg($result);
 }