diff --git a/src/Symfony/Component/Process/ExecutableFinder.php b/src/Symfony/Component/Process/ExecutableFinder.php
index fa11cb6e40..3bf711149d 100644
--- a/src/Symfony/Component/Process/ExecutableFinder.php
+++ b/src/Symfony/Component/Process/ExecutableFinder.php
@@ -60,7 +60,7 @@ class ExecutableFinder
                 if (@is_dir($path)) {
                     $dirs[] = $path;
                 } else {
-                    if (basename($path) == $name && is_executable($path)) {
+                    if (basename($path) == $name && @is_executable($path)) {
                         return $path;
                     }
                 }