diff --git a/CHANGELOG.md b/CHANGELOG.md
index 029ac54d..1ffe1d43 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+### 1.22.1 (2017-03-13)
+
+  * Fixed lots of minor issues in the new Slack integrations
+  * Fixed support for allowInlineLineBreaks in LineFormatter when formatting exception backtraces
+
 ### 1.22.0 (2016-11-26)
 
   * Added SlackbotHandler and SlackWebhookHandler to set up Slack integration more easily
diff --git a/src/Monolog/Formatter/LineFormatter.php b/src/Monolog/Formatter/LineFormatter.php
index 254a618f..07f97677 100644
--- a/src/Monolog/Formatter/LineFormatter.php
+++ b/src/Monolog/Formatter/LineFormatter.php
@@ -159,7 +159,7 @@ class LineFormatter extends NormalizerFormatter
     {
         if ($this->allowInlineLineBreaks) {
             if (0 === strpos($str, '{')) {
-                return str_replace(['\r', '\n'], ["\r", "\n"], $str);
+                return str_replace(array('\r', '\n'), array("\r", "\n"), $str);
             }
 
             return $str;