diff --git a/CHANGELOG.md b/CHANGELOG.md
index 580cf99f..54e0cadc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ## 1.0.3 under development
 
-- no changes in this release.
+- Enh #302: Improve performance collecting tags (samdark)
 
 ## 1.0.2 February 14, 2022
 
diff --git a/src/CompositeContainer.php b/src/CompositeContainer.php
index fe7d4153..e9e41a2f 100644
--- a/src/CompositeContainer.php
+++ b/src/CompositeContainer.php
@@ -65,11 +65,12 @@ public function get($id)
                 }
                 if ($container->has($id)) {
                     /** @psalm-suppress MixedArgument Container::get() always return array for tag */
-                    $tags = array_merge($container->get($id), $tags);
+                    array_unshift($tags, $container->get($id));
                 }
             }
 
-            return $tags;
+            /** @psalm-suppress MixedArgument Container::get() always return array for tag */
+            return array_merge(...$tags);
         }
 
         foreach ($this->containers as $container) {
diff --git a/tests/Benchmark/ContainerBench.php b/tests/Benchmark/ContainerBench.php
index 51252ab3..3805eeef 100644
--- a/tests/Benchmark/ContainerBench.php
+++ b/tests/Benchmark/ContainerBench.php
@@ -79,51 +79,51 @@ public function before(): void
         // We attach the dummy containers multiple times, to see what would happen if we have lots of them.
         $this->composite->attach(
             new Container(
-            ContainerConfig::create()
+                ContainerConfig::create()
                     ->withDefinitions($definitions2)
-        )
+            )
         );
         $this->composite->attach(
             new Container(
-            ContainerConfig::create()
+                ContainerConfig::create()
                     ->withDefinitions($definitions3)
-        )
+            )
         );
         $this->composite->attach(
             new Container(
-            ContainerConfig::create()
+                ContainerConfig::create()
                     ->withDefinitions($definitions2)
-        )
+            )
         );
         $this->composite->attach(
             new Container(
-            ContainerConfig::create()
+                ContainerConfig::create()
                     ->withDefinitions($definitions3)
-        )
+            )
         );
         $this->composite->attach(
             new Container(
-            ContainerConfig::create()
+                ContainerConfig::create()
                     ->withDefinitions($definitions2)
-        )
+            )
         );
         $this->composite->attach(
             new Container(
-            ContainerConfig::create()
+                ContainerConfig::create()
                     ->withDefinitions($definitions3)
-        )
+            )
         );
         $this->composite->attach(
             new Container(
-            ContainerConfig::create()
+                ContainerConfig::create()
                     ->withDefinitions($definitions2)
-        )
+            )
         );
         $this->composite->attach(
             new Container(
-            ContainerConfig::create()
+                ContainerConfig::create()
                     ->withDefinitions($definitions3)
-        )
+            )
         );
     }