diff --git a/src/Illuminate/Filesystem/FilesystemManager.php b/src/Illuminate/Filesystem/FilesystemManager.php
index 53372b53f40e..2fd91262fcb5 100644
--- a/src/Illuminate/Filesystem/FilesystemManager.php
+++ b/src/Illuminate/Filesystem/FilesystemManager.php
@@ -326,7 +326,7 @@ function (&$parent) use ($config) {
      */
     protected function createFlysystem(FlysystemAdapter $adapter, array $config)
     {
-        if ($config['read-only'] ?? false === true) {
+        if ($config['read-only'] ?? false) {
             $adapter = new ReadOnlyFilesystemAdapter($adapter);
         }