diff --git a/src/Symfony/Component/ClassLoader/UniversalClassLoader.php b/src/Symfony/Component/ClassLoader/UniversalClassLoader.php
index d1b423400c..1aef84d67f 100644
--- a/src/Symfony/Component/ClassLoader/UniversalClassLoader.php
+++ b/src/Symfony/Component/ClassLoader/UniversalClassLoader.php
@@ -220,8 +220,8 @@ class UniversalClassLoader
             // namespaced class name
             $namespace = substr($class, 0, $pos);
             foreach ($this->namespaces as $ns => $dirs) {
-                foreach ($dirs as $dir) {
-                    if (0 === strpos($namespace, $ns)) {
+                if (0 === strpos($namespace, $ns)) {
+                    foreach ($dirs as $dir) {
                         $className = substr($class, $pos + 1);
                         $file = $dir.DIRECTORY_SEPARATOR.str_replace('\\', DIRECTORY_SEPARATOR, $namespace).DIRECTORY_SEPARATOR.str_replace('_', DIRECTORY_SEPARATOR, $className).'.php';
                         if (file_exists($file)) {
@@ -240,8 +240,8 @@ class UniversalClassLoader
         } else {
             // PEAR-like class name
             foreach ($this->prefixes as $prefix => $dirs) {
-                foreach ($dirs as $dir) {
-                    if (0 === strpos($class, $prefix)) {
+                if (0 === strpos($class, $prefix)) {
+                    foreach ($dirs as $dir) {
                         $file = $dir.DIRECTORY_SEPARATOR.str_replace('_', DIRECTORY_SEPARATOR, $class).'.php';
                         if (file_exists($file)) {
                             return $file;