diff --git a/src/PhpSpreadsheet/Reader/Csv.php b/src/PhpSpreadsheet/Reader/Csv.php
index 45a651c1..dd2e3655 100644
--- a/src/PhpSpreadsheet/Reader/Csv.php
+++ b/src/PhpSpreadsheet/Reader/Csv.php
@@ -255,7 +255,8 @@ class Csv extends BaseReader
 
         // Drop everything that is enclosed to avoid counting false positives in enclosures
         $enclosure = preg_quote($this->enclosure, '/');
-        $line = preg_replace('/(' . $enclosure . '.*' . $enclosure . ')/U', '', $line);
+        // Add 's' to the replace rule in order for '.' to also match newline.
+        $line = preg_replace('/(' . $enclosure . '.*' . $enclosure . ')/Us', '', $line);
 
         // See if we have any enclosures left in the line
         // if we still have an enclosure then we need to read the next line as well