diff --git a/Classes/Traits/DependencyInjectionTrait.php b/Classes/Traits/DependencyInjectionTrait.php
index 27dbbc8..d2ccc13 100644
--- a/Classes/Traits/DependencyInjectionTrait.php
+++ b/Classes/Traits/DependencyInjectionTrait.php
@@ -88,7 +88,7 @@ trait DependencyInjectionTrait
         );
         $frameworkConfiguration = $this->configurationManager->getConfiguration(
             ConfigurationManagerInterface::CONFIGURATION_TYPE_FRAMEWORK,
-            $this->getExtensionKey()
+            str_replace('_', '', $this->getExtensionKey())
         );
         $this->configurationManager->setConfiguration(
             $frameworkConfiguration