diff --git a/.gitignore b/.gitignore
index b2358c4..22e5621 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,10 @@
+# Ignore files of IDE
+.idea
+
 # Ignore potentially sensitive phpunit file
 phpunit.xml
+# Ignore PHPUnit cache file
+.phpunit.result.cache
 
 # Ignore composer generated files
 composer.lock
diff --git a/src/EightPointsGuzzleBundle.php b/src/EightPointsGuzzleBundle.php
index 67cd9a7..0f1ab3b 100644
--- a/src/EightPointsGuzzleBundle.php
+++ b/src/EightPointsGuzzleBundle.php
@@ -11,7 +11,7 @@
 
 class EightPointsGuzzleBundle extends Bundle
 {
-    /** @var \EightPoints\Bundle\GuzzleBundle\PluginInterface[] */
+    /** @var array<string,\EightPoints\Bundle\GuzzleBundle\PluginInterface> */
     protected $plugins = [];
 
     /**
@@ -50,7 +50,7 @@ public function build(ContainerBuilder $container)
     public function getContainerExtension() : ExtensionInterface
     {
         if ($this->extension === null) {
-            $this->extension = new EightPointsGuzzleExtension($this->plugins);
+            $this->extension = new EightPointsGuzzleExtension(array_values($this->plugins));
         }
 
         return $this->extension;
@@ -75,16 +75,15 @@ public function boot()
      */
     protected function registerPlugin(PluginInterface $plugin) : void
     {
+        $pluginName = $plugin->getPluginName();
         // Check plugins name duplication
-        foreach ($this->plugins as $registeredPlugin) {
-            if ($registeredPlugin->getPluginName() === $plugin->getPluginName()) {
-                throw new InvalidConfigurationException(sprintf(
-                    'Trying to connect two plugins with same name: %s',
-                    $plugin->getPluginName()
-                ));
-            }
+        if (array_key_exists($pluginName, $this->plugins)) {
+            throw new InvalidConfigurationException(sprintf(
+                'Trying to connect two plugins with same name: %s',
+                $pluginName
+            ));
         }
 
-        $this->plugins[] = $plugin;
+        $this->plugins[$pluginName] = $plugin;
     }
 }
diff --git a/tests/DataCollector/HttpDataCollectorTest.php b/tests/DataCollector/HttpDataCollectorTest.php
index 6c080bb..ad99876 100644
--- a/tests/DataCollector/HttpDataCollectorTest.php
+++ b/tests/DataCollector/HttpDataCollectorTest.php
@@ -341,8 +341,8 @@ public function testTotalTime()
         $collector->addTotalTime(3.14);
         $this->assertEquals(3.14, $collector->getTotalTime());
 
-        $collector->addTotalTime(2.17);
-        $this->assertEquals(5.31, $collector->getTotalTime());
+        $collector->addTotalTime(2.18);
+        $this->assertEquals(5.32, $collector->getTotalTime());
     }
 
     /**
diff --git a/tests/EightPointsGuzzleBundleTest.php b/tests/EightPointsGuzzleBundleTest.php
index 79f851f..388abac 100644
--- a/tests/EightPointsGuzzleBundleTest.php
+++ b/tests/EightPointsGuzzleBundleTest.php
@@ -39,13 +39,33 @@ public function testInitWithPluginsNameDuplication()
             ->willReturn('wsse');
 
         $secondPlugin = $this->getMockBuilder(PluginInterface::class)->getMock();
-        $secondPlugin->expects($this->exactly(2))
+        $secondPlugin->expects($this->once())
             ->method('getPluginName')
             ->willReturn('wsse');
 
         new EightPointsGuzzleBundle([$firstPlugin, $secondPlugin]);
     }
 
+    public function testPluginNameAskedOnceOnInit()
+    {
+        $firstPlugin = $this->getMockBuilder(PluginInterface::class)->getMock();
+        $firstPlugin->expects($this->once())
+            ->method('getPluginName')
+            ->willReturn('a');
+
+        $secondPlugin = $this->getMockBuilder(PluginInterface::class)->getMock();
+        $secondPlugin->expects($this->once())
+            ->method('getPluginName')
+            ->willReturn('b');
+
+        $thirdPlugin = $this->getMockBuilder(PluginInterface::class)->getMock();
+        $thirdPlugin->expects($this->once())
+            ->method('getPluginName')
+            ->willReturn('c');
+
+        new EightPointsGuzzleBundle([$firstPlugin, $secondPlugin, $thirdPlugin]);
+    }
+
     public function testBoot()
     {
         $plugin = $this->getMockBuilder(PluginInterface::class)->getMock();