diff --git a/src/Composer/Package/Locker.php b/src/Composer/Package/Locker.php
index 81843e8c1..db47ce35e 100644
--- a/src/Composer/Package/Locker.php
+++ b/src/Composer/Package/Locker.php
@@ -139,6 +139,7 @@ class Locker
             if ($package->isDev()) {
                 $spec['source-reference'] = $package->getSourceReference();
             }
+            // TODO discriminate between really installed as alias and installed as real package
             if ($package->getAlias()) {
                 $spec['alias'] = $package->getAlias();
             }
diff --git a/src/Composer/Repository/FilesystemRepository.php b/src/Composer/Repository/FilesystemRepository.php
index 7dc4e04a9..6e74e3fe6 100644
--- a/src/Composer/Repository/FilesystemRepository.php
+++ b/src/Composer/Repository/FilesystemRepository.php
@@ -56,6 +56,7 @@ class FilesystemRepository extends ArrayRepository implements WritableRepository
         $loader = new ArrayLoader();
         foreach ($packages as $package) {
             $package = $loader->load($package);
+            // TODO discriminate between really installed as alias and installed as real package
             if ($package->getAlias()) {
                 $this->addPackage($this->createAliasPackage($package));
             } else {