diff --git a/src/Kernel.php b/src/Kernel.php
index 25f2aadd..b56d32bd 100644
--- a/src/Kernel.php
+++ b/src/Kernel.php
@@ -40,13 +40,7 @@ final class Kernel
         private readonly Application $application,
         private readonly OutputInterface $output,
     ) {
-        register_shutdown_function(function (): void {
-            if (error_get_last() !== null) {
-                return;
-            }
-
-            $this->shutdown();
-        });
+        register_shutdown_function(fn () => $this->shutdown());
     }
 
     /**
diff --git a/src/KernelDump.php b/src/KernelDump.php
index dac8bafb..39f2004b 100644
--- a/src/KernelDump.php
+++ b/src/KernelDump.php
@@ -107,6 +107,7 @@ final class KernelDump
      */
     private function isInternalError(string $output): bool
     {
-        return str_contains($output, 'An error occurred inside PHPUnit.');
+        return str_contains($output, 'An error occurred inside PHPUnit.')
+            || str_contains($output, 'Fatal error');
     }
 }