1 files changed, 4 insertions, 4 deletions
diff --git a/inc/Subscriptions/SubscriberRegexBuilder.php b/inc/Subscriptions/SubscriberRegexBuilder.php
index 959702aac..6c8fd7e6b 100644
--- a/inc/Subscriptions/SubscriberRegexBuilder.php
+++ b/inc/Subscriptions/SubscriberRegexBuilder.php
@@ -6,7 +6,6 @@ use Exception;
 
 class SubscriberRegexBuilder
 {
-
     /**
      * Construct a regular expression for parsing a subscription definition line
      *
@@ -36,13 +35,14 @@ class SubscriberRegexBuilder
 
         // quote
         $user = array_map('preg_quote_cb', $user);
+
         $style = array_map('preg_quote_cb', $style);
         $data = array_map('preg_quote_cb', $data);
 
         // join
-        $user = join('|', $user);
-        $style = join('|', $style);
-        $data = join('|', $data);
+        $user = implode('|', $user);
+        $style = implode('|', $style);
+        $data = implode('|', $data);
 
         // any data at all?
         if ($user . $style . $data === '') {