diff --git a/src/Symfony/Component/Console/Application.php b/src/Symfony/Component/Console/Application.php
index 82f75d4fc6a60..991c94d95ff2d 100644
--- a/src/Symfony/Component/Console/Application.php
+++ b/src/Symfony/Component/Console/Application.php
@@ -985,9 +985,8 @@ protected function doRunCommand(Command $command, InputInterface $input, OutputI
if ($this->signalsToDispatchEvent) {
$commandSignals = $command instanceof SignalableCommandInterface ? $command->getSubscribedSignals() : [];
- $dispatchSignals = $this->dispatcher && $this->dispatcher->hasListeners(ConsoleEvents::SIGNAL);
- if ($commandSignals || $dispatchSignals) {
+ if ($commandSignals || null !== $this->dispatcher) {
if (!$this->signalRegistry) {
throw new RuntimeException('Unable to subscribe to signal events. Make sure that the `pcntl` extension is installed and that "pcntl_*" functions are not disabled by your php.ini\'s "disable_functions" directive.');
}
@@ -1007,7 +1006,7 @@ protected function doRunCommand(Command $command, InputInterface $input, OutputI
}
}
- if ($dispatchSignals) {
+ if (null !== $this->dispatcher) {
foreach ($this->signalsToDispatchEvent as $signal) {
$event = new ConsoleSignalEvent($command, $input, $output, $signal);
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