diff --git a/lib/SimpleSAML/Logger.php b/lib/SimpleSAML/Logger.php
index 9c408e61a4e3c1ef1f5a71985e4ad60ae24b4889..a483385f469544d43d9c5c301e34a09dccc47be3 100644
--- a/lib/SimpleSAML/Logger.php
+++ b/lib/SimpleSAML/Logger.php
@@ -399,7 +399,7 @@ class Logger
                 self::createLoggingHandler('SimpleSAML\Logger\StandardErrorLoggingHandler');
             }
             $_SERVER['REMOTE_ADDR'] = "CLI";
-            if (self::$trackid == self::NO_TRACKID) {
+            if (self::$trackid === self::NO_TRACKID) {
                 self::$trackid = 'CL'.bin2hex(openssl_random_pseudo_bytes(4));
             }
         } elseif (self::$loggingHandler === null) {