diff --git a/src/TestLogger.php b/src/TestLogger.php
index 94f7812..d4a05ca 100644
--- a/src/TestLogger.php
+++ b/src/TestLogger.php
@@ -49,7 +49,7 @@ public function getLogs(): array
      */
     public function assert(string $message = ''): Assert
     {
-        return new Assert($this->logs, $message);
+        return new Assert(clone $this->logs, $message);
     }
 
     /**
@@ -59,6 +59,6 @@ public function assert(string $message = ''): Assert
      */
     public function filter(): Filter
     {
-        return new Filter($this->logs);
+        return new Filter(clone $this->logs);
     }
 }