diff --git a/src/PhpMndLoader.php b/src/PhpMndLoader.php
index 844005c..57d36e0 100644
--- a/src/PhpMndLoader.php
+++ b/src/PhpMndLoader.php
@@ -19,7 +19,7 @@ public function parseLines()
     {
         while (($line = fgets($this->file)) !== false) {
             $matches = [];
-            if (preg_match("/^(?<filename>[^:]+):(?<lineNo>[0-9]+)\. (?<message>.+)/", $line, $matches)) {
+            if (preg_match("/^(?<filename>[^:]+):(?<lineNo>[0-9]+)\.? (?<message>.+)/", $line, $matches)) {
                 $this->invalidLines
                     [$matches['filename']]
                     [$matches['lineNo']][] = $matches['message'];