diff --git a/src/Symfony/Component/Process/Process.php b/src/Symfony/Component/Process/Process.php
index c804a17923827..bf2e8e857c93e 100644
--- a/src/Symfony/Component/Process/Process.php
+++ b/src/Symfony/Component/Process/Process.php
@@ -1211,7 +1211,7 @@ public static function isTtySupported(): bool
     {
         static $isTtySupported;
 
-        return $isTtySupported ??= ('/' === \DIRECTORY_SEPARATOR && stream_isatty(\STDOUT));
+        return $isTtySupported ??= ('/' === \DIRECTORY_SEPARATOR && stream_isatty(\STDOUT) && @is_writable('/dev/tty'));
     }
 
     /**