diff --git a/doc/composer-schema.json b/doc/composer-schema.json
index 750eb85db..b05360029 100644
--- a/doc/composer-schema.json
+++ b/doc/composer-schema.json
@@ -13,7 +13,7 @@
             "type": "string",
             "optional": true
         },
-        "installAs": {
+        "target-dir": {
             "description": "Override install location of package",
             "type": "string"
         },
diff --git a/src/Composer/Command/InstallCommand.php b/src/Composer/Command/InstallCommand.php
index a376d017b..203a41237 100644
--- a/src/Composer/Command/InstallCommand.php
+++ b/src/Composer/Command/InstallCommand.php
@@ -134,8 +134,8 @@ EOT
         foreach ($installPaths as $item) {
             list($package, $installPath) = $item;
 
-            if (null !== $package->getInstallAs()) {
-                $installPath = substr($installPath, 0, -strlen('/'.$package->getInstallAs()));
+            if (null !== $package->getTargetDir()) {
+                $installPath = substr($installPath, 0, -strlen('/'.$package->getTargetDir()));
             }
 
             foreach ($package->getAutoload() as $type => $mapping) {
diff --git a/src/Composer/Installer/LibraryInstaller.php b/src/Composer/Installer/LibraryInstaller.php
index 5ea30023d..b9a240058 100644
--- a/src/Composer/Installer/LibraryInstaller.php
+++ b/src/Composer/Installer/LibraryInstaller.php
@@ -126,10 +126,10 @@ class LibraryInstaller implements InstallerInterface
 
     public function getInstallPath(PackageInterface $package)
     {
-        if (null === $package->getInstallAs()) {
+        if (null === $package->getTargetDir()) {
             return ($this->directory ? $this->directory.'/' : '').$package->getName();
         }
 
-        return ($this->directory ? $this->directory.'/' : '').$package->getInstallAs();
+        return ($this->directory ? $this->directory.'/' : '').$package->getTargetDir();
     }
 }
diff --git a/src/Composer/Package/Dumper/ArrayDumper.php b/src/Composer/Package/Dumper/ArrayDumper.php
index 4d980f278..370ab5000 100644
--- a/src/Composer/Package/Dumper/ArrayDumper.php
+++ b/src/Composer/Package/Dumper/ArrayDumper.php
@@ -40,11 +40,11 @@ class ArrayDumper
             'recommends',
             'suggests',
             'autoload',
-            'installAs',
         );
 
         $data = array();
         $data['name'] = $package->getPrettyName();
+        $data['target-dir'] = $package->getTargetDir();
         foreach ($keys as $key) {
             $getter = 'get'.ucfirst($key);
             $value  = $package->$getter();
diff --git a/src/Composer/Package/Loader/ArrayLoader.php b/src/Composer/Package/Loader/ArrayLoader.php
index 76f83a1a4..3c43649db 100644
--- a/src/Composer/Package/Loader/ArrayLoader.php
+++ b/src/Composer/Package/Loader/ArrayLoader.php
@@ -46,8 +46,8 @@ class ArrayLoader
 
         $package->setType(isset($config['type']) ? $config['type'] : 'library');
 
-        if (isset($config['installAs'])) {
-            $package->setInstallAs($config['installAs']);
+        if (isset($config['target-dir'])) {
+            $package->setTargetDir($config['target-dir']);
         }
 
         if (isset($config['extra'])) {
diff --git a/src/Composer/Package/MemoryPackage.php b/src/Composer/Package/MemoryPackage.php
index 618cb3db8..2eea5c2b0 100644
--- a/src/Composer/Package/MemoryPackage.php
+++ b/src/Composer/Package/MemoryPackage.php
@@ -20,7 +20,7 @@ namespace Composer\Package;
 class MemoryPackage extends BasePackage
 {
     protected $type;
-    protected $installAs;
+    protected $targetDir;
     protected $installationSource;
     protected $sourceType;
     protected $sourceUrl;
@@ -74,19 +74,19 @@ class MemoryPackage extends BasePackage
     }
 
     /**
-     * @param string $installAs
+     * @param string $targetDir
      */
-    public function setInstallAs($installAs)
+    public function setTargetDir($targetDir)
     {
-        $this->installAs = $installAs;
+        $this->targetDir = $targetDir;
     }
 
     /**
      * {@inheritDoc}
      */
-    public function getInstallAs()
+    public function getTargetDir()
     {
-        return $this->installAs;
+        return $this->targetDir;
     }
 
     /**
diff --git a/src/Composer/Package/PackageInterface.php b/src/Composer/Package/PackageInterface.php
index e23340dbc..1bad85f51 100644
--- a/src/Composer/Package/PackageInterface.php
+++ b/src/Composer/Package/PackageInterface.php
@@ -76,11 +76,11 @@ interface PackageInterface
     function getType();
 
     /**
-     * Returns the package installAs property
+     * Returns the package targetDir property
      *
-     * @return string The package installAs
+     * @return string The package targetDir
      */
-    function getInstallAs();
+    function getTargetDir();
 
     /**
      * Returns the package extra data
diff --git a/src/Composer/Repository/GitRepository.php b/src/Composer/Repository/GitRepository.php
index cad9e20d7..52426f402 100644
--- a/src/Composer/Repository/GitRepository.php
+++ b/src/Composer/Repository/GitRepository.php
@@ -67,8 +67,8 @@ class GitRepository extends ArrayRepository
         $package->setSourceType('git');
         $package->setSourceUrl($this->url);
 
-        if (isset($data['installAs'])) {
-            $package->setInstallAs($data['installAs']);
+        if (isset($data['target-dir'])) {
+            $package->setTargetDir($data['target-dir']);
         }
 
         if (isset($data['license'])) {