diff --git a/src/Symfony/Component/Process/ExecutableFinder.php b/src/Symfony/Component/Process/ExecutableFinder.php
index 7c724577b6..087c94b0f2 100644
--- a/src/Symfony/Component/Process/ExecutableFinder.php
+++ b/src/Symfony/Component/Process/ExecutableFinder.php
@@ -71,7 +71,11 @@ class ExecutableFinder
             );
         }
 
-        $suffixes = DIRECTORY_SEPARATOR == '\\' ? (getenv('PATHEXT') ? explode(PATH_SEPARATOR, getenv('PATHEXT')) : $this->suffixes) : array('');
+        $suffixes = array('');
+        if (defined('PHP_WINDOWS_VERSION_BUILD')) {
+            $pathExt = getenv('PATHEXT');
+            $suffixes = $pathExt ? explode(PATH_SEPARATOR, $pathExt) : $this->suffixes;
+        }
         foreach ($suffixes as $suffix) {
             foreach ($dirs as $dir) {
                 if (is_file($file = $dir.DIRECTORY_SEPARATOR.$name.$suffix) && (self::$isWindows || is_executable($file))) {
diff --git a/src/Symfony/Component/Process/PhpExecutableFinder.php b/src/Symfony/Component/Process/PhpExecutableFinder.php
index a8324eaae5..d9c6bdbb13 100644
--- a/src/Symfony/Component/Process/PhpExecutableFinder.php
+++ b/src/Symfony/Component/Process/PhpExecutableFinder.php
@@ -46,19 +46,14 @@ class PhpExecutableFinder
             return $php;
         }
 
-        $suffixes = DIRECTORY_SEPARATOR == '\\' ? (getenv('PATHEXT') ? explode(PATH_SEPARATOR, getenv('PATHEXT')) : array('.exe', '.bat', '.cmd', '.com')) : array('');
-        foreach ($suffixes as $suffix) {
-            if (is_executable($php = PHP_BINDIR.DIRECTORY_SEPARATOR.'php'.$suffix)) {
-                return $php;
-            }
-        }
-
         if ($php = getenv('PHP_PEAR_PHP_BIN')) {
             if (is_executable($php)) {
                 return $php;
             }
         }
 
-        return $this->executableFinder->find('php');
+        $dirs = array(PHP_BINDIR);
+
+        return $this->executableFinder->find('php', false, $dirs);
     }
 }