diff --git a/.travis.yml b/.travis.yml
index f090207..f88a9d8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ env:
     - SYMFONY_VERSION=3.4.*
     - SYMFONY_VERSION=4.2.*
     - SYMFONY_VERSION=4.3.*
+    - SYMFONY_VERSION=4.4.*
 
 cache:
     directories:
@@ -23,6 +24,7 @@ install:
     - composer require symfony/proxy-manager-bridge:${SYMFONY_VERSION} --no-update --no-scripts --prefer-dist
     - composer require --dev symfony/browser-kit:${SYMFONY_VERSION} --no-update --no-scripts --prefer-dist
     - composer require --dev symfony/framework-bundle:${SYMFONY_VERSION} --no-update --no-scripts --prefer-dist
+    - composer require --dev symfony/process:${SYMFONY_VERSION} --no-update --no-scripts --prefer-dist
     - composer require --dev symfony/yaml:${SYMFONY_VERSION} --no-update --no-scripts --prefer-dist
     - composer update --prefer-dist
 
diff --git a/CHANGELOG-2.0.md b/CHANGELOG-2.0.md
index f4b852d..1c68d67 100644
--- a/CHANGELOG-2.0.md
+++ b/CHANGELOG-2.0.md
@@ -1,5 +1,10 @@
 # CHANGELOG for `2.0.x`
 
+## v2.0.10 (2019-12-09)
+
+- [#101](https://github.com/FriendsOfBehat/SymfonyExtension/issues/101) Fix referencing context initializers ([@kamazee](https://github.com/kamazee))
+- [#102](https://github.com/FriendsOfBehat/SymfonyExtension/issues/102) Fix the build & add tests for Symfony 4.3 and 4.4 ([@pamil](https://github.com/pamil))
+
 ## v2.0.9 (2019-10-10)
 
 - [#77](https://github.com/FriendsOfBehat/SymfonyExtension/issues/77) Fix docs: change 'kernel.file' to 'kernel.path' ([@mkilmanas](https://github.com/mkilmanas))
diff --git a/composer.json b/composer.json
index 92450ad..901a2aa 100644
--- a/composer.json
+++ b/composer.json
@@ -27,8 +27,12 @@
         "sylius-labs/coding-standard": "^3.0",
         "symfony/browser-kit": "^3.4|^4.2",
         "symfony/framework-bundle": "^3.4|^4.2",
+        "symfony/process": "^3.4|^4.2",
         "symfony/yaml": "^3.4|^4.2"
     },
+    "conflict": {
+        "symfony/stopwatch": "^5.0"
+    },
     "suggest": {
         "behat/mink-browserkit-driver": "^1.3"
     },
diff --git a/features/sanity_checks/context_initializer_instantiation.feature b/features/sanity_checks/context_initializer_instantiation.feature
new file mode 100644
index 0000000..c4e5fd4
--- /dev/null
+++ b/features/sanity_checks/context_initializer_instantiation.feature
@@ -0,0 +1,89 @@
+Feature: instantiation of a context initializer
+  I want container to only keep 1 instance of context initializer
+  (if it's a shared service) so it can work correctly if it's stateful
+
+  Scenario:
+    Given a working Symfony application with SymfonyExtension configured
+    And a Behat configuration containing:
+        """
+        default:
+            extensions:
+                FriendsOfBehat\ServiceContainerExtension:
+                    imports:
+                        - "tests/context_initializer.yml"
+
+            suites:
+                default:
+                    contexts:
+                        - App\Tests\SomeContext
+        """
+    And a Behat services definition file "tests/context_initializer.yml" containing:
+        """
+        services:
+            test.initializer:
+                class: App\Tests\CustomContextInitializer
+                tags: ["context.initializer", "event_dispatcher.subscriber"]
+        """
+    And a Behat service implementation file "tests/CustomContextInitializer.php" containing:
+        """
+        <?php
+
+        namespace App\Tests;
+
+        use Behat\Behat\Context\Context;
+        use Behat\Behat\Context\Initializer\ContextInitializer;
+        use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+        final class CustomContextInitializer implements ContextInitializer, EventSubscriberInterface
+        {
+            public static $counter = 0;
+
+            public function __construct()
+            {
+                ++self::$counter;
+            }
+
+            public function initializeContext(Context $context): void
+            {
+                $context->makeItPass(true);
+            }
+
+            public static function getSubscribedEvents()
+            {
+                return [];
+            }
+        }
+        """
+    And a feature file containing:
+        """
+        Feature:
+            Scenario:
+                Then it should pass
+        """
+    And a context file "tests/SomeContext.php" containing:
+        """
+        <?php
+
+        namespace App\Tests;
+
+        use Behat\Behat\Context\Context;
+
+        final class SomeContext implements Context {
+            private $shouldPass = false;
+
+            public function makeItPass(bool $shouldPass)
+            {
+                $this->shouldPass = $shouldPass;
+            }
+
+            /** @Then it should pass */
+            public function itShouldPass(): void
+            {
+                $actualInitializersCount = CustomContextInitializer::$counter;
+                assert(1 === $actualInitializersCount, "$actualInitializersCount initializers were created");
+                assert($this->shouldPass === true);
+            }
+        }
+        """
+    When I run Behat
+    Then it should pass
diff --git a/src/ServiceContainer/SymfonyExtension.php b/src/ServiceContainer/SymfonyExtension.php
index a85481b..f0d920c 100644
--- a/src/ServiceContainer/SymfonyExtension.php
+++ b/src/ServiceContainer/SymfonyExtension.php
@@ -189,7 +189,7 @@ final class SymfonyExtension implements Extension
     {
         $definition = $container->findDefinition('fob_symfony.environment_handler.context_service');
         foreach ($container->findTaggedServiceIds(ContextExtension::INITIALIZER_TAG) as $serviceId => $tags) {
-            $definition->addMethodCall('registerContextInitializer', [$container->getDefinition($serviceId)]);
+            $definition->addMethodCall('registerContextInitializer', [new Reference($serviceId)]);
         }
     }