diff --git a/src/Client/Directives/UserAgentTools.php b/src/Client/Directives/UserAgentTools.php
index 7ceb967..2f97ddb 100644
--- a/src/Client/Directives/UserAgentTools.php
+++ b/src/Client/Directives/UserAgentTools.php
@@ -133,7 +133,7 @@ private function checkPath($directive, $uri)
                      self::DIRECTIVE_NO_INDEX => $this->handler->noIndex(),
                      self::DIRECTIVE_DISALLOW => $this->handler->disallow(),
                      self::DIRECTIVE_ALLOW => $this->handler->allow(),
-                 ] as $currentDirective => &$handler) {
+                 ] as $currentDirective => $handler) {
             if ($handler->client()->isListed($uri)) {
                 if ($currentDirective === self::DIRECTIVE_NO_INDEX) {
                     return $directive === self::DIRECTIVE_DISALLOW;
diff --git a/tests/CleanParamTest.php b/tests/CleanParamTest.php
index b901388..024aaec 100644
--- a/tests/CleanParamTest.php
+++ b/tests/CleanParamTest.php
@@ -37,9 +37,11 @@ public function testCleanParam($robotsTxtContent, $result, $rendered)
 
         $this->assertEquals($result['Clean-param'], $parser->cleanParam()->export());
 
-        $this->assertEquals($result['NoIndex'], $parser->userAgent()->noIndex()->cleanParam()->export());
-        $this->assertEquals($result['Disallow'], $parser->userAgent()->disallow()->cleanParam()->export());
-        $this->assertEquals($result['Allow'], $parser->userAgent()->allow()->cleanParam()->export());
+        for ($i = 1; $i <= 2; $i++) {
+            $this->assertEquals($result['NoIndex'], $parser->userAgent()->noIndex()->cleanParam()->export());
+            $this->assertEquals($result['Disallow'], $parser->userAgent()->disallow()->cleanParam()->export());
+            $this->assertEquals($result['Allow'], $parser->userAgent()->allow()->cleanParam()->export());
+        }
 
         if ($rendered !== false) {
             $this->assertEquals($rendered, $parser->render()->normal("\n"));
diff --git a/tests/HostTest.php b/tests/HostTest.php
index 039b73c..055a6ff 100644
--- a/tests/HostTest.php
+++ b/tests/HostTest.php
@@ -37,9 +37,11 @@ public function testHost($robotsTxtContent, $rendered)
         $this->assertEquals('myhost.com', $parser->host()->getWithUriFallback());
         $this->assertFalse($parser->host()->isPreferred());
 
-        $this->assertFalse($parser->userAgent()->allow()->host()->isListed('http://www.myhost.com/'));
-        $this->assertTrue($parser->userAgent()->disallow()->host()->isListed('http://www.myhost.com/'));
-        $this->assertFalse($parser->userAgent()->noIndex()->host()->isListed('http://www.myhost.com/'));
+        for ($i = 1; $i <= 2; $i++) {
+            $this->assertFalse($parser->userAgent()->allow()->host()->isListed('http://www.myhost.com/'));
+            $this->assertTrue($parser->userAgent()->disallow()->host()->isListed('http://www.myhost.com/'));
+            $this->assertFalse($parser->userAgent()->noIndex()->host()->isListed('http://www.myhost.com/'));
+        }
 
         if ($rendered !== false) {
             $this->assertEquals($rendered, $parser->render()->normal("\n"));