diff --git a/src/DependencyInjection/Configurator.php b/src/DependencyInjection/Configurator.php
index bc9e828ec2..7865956266 100644
--- a/src/DependencyInjection/Configurator.php
+++ b/src/DependencyInjection/Configurator.php
@@ -94,6 +94,8 @@ public function loadContainer(): string
 		unset($staticParameters['env']['LINES']);
 		unset($staticParameters['env']['COLUMNS']);
 		unset($staticParameters['env']['SHELL_VERBOSITY']);
+		// make sure invocations via blackfire use the same container
+		unset($staticParameters['env']['BLACKFIRE_AGENT_SOCKET']);
 
 		$containerKey = [
 			$staticParameters,