diff --git a/src/Restarters/PcovRestarter.php b/src/Restarters/PcovRestarter.php
index 4bfc4144..1337397a 100644
--- a/src/Restarters/PcovRestarter.php
+++ b/src/Restarters/PcovRestarter.php
@@ -24,6 +24,9 @@ final class PcovRestarter implements Restarter
         }
 
         if (getenv(self::ENV_RESTARTED) === '1') {
+            putenv(self::ENV_RESTARTED);
+            unset($_ENV[self::ENV_RESTARTED]);
+
             return;
         }