diff --git a/src/danog/MadelineProto/VoIP/AuthKeyHandler.php b/src/danog/MadelineProto/VoIP/AuthKeyHandler.php
index 672cecae..b9634cb5 100644
--- a/src/danog/MadelineProto/VoIP/AuthKeyHandler.php
+++ b/src/danog/MadelineProto/VoIP/AuthKeyHandler.php
@@ -106,7 +106,7 @@ trait AuthKeyHandler
         $time = microtime(true);
         while (!feof($f)) {
             usleep(
-                (int)(($writePeriod -
+                (int) (($writePeriod -
                 (microtime(true) - $time) // Time it took me to write frames
                 ) * 1000000)
             );