diff --git a/src/NodaTimeSplitter.php b/src/NodaTimeSplitter.php
index 3b8afea..9d11c45 100644
--- a/src/NodaTimeSplitter.php
+++ b/src/NodaTimeSplitter.php
@@ -842,7 +842,7 @@ final class NodaTimeSplitter {
                 return $output;
             }
         }
-        if (\preg_match("/\-ig$/", $datum)) {
+        if (\preg_match("/\-ig(\.|)$/", $datum)) {
             if (($spacePos = strrpos($datum, "-")) === false) {
                 return [];
             }