diff --git a/src/MagentoHackathon/Composer/Magento/Installer/CoreInstaller.php b/src/MagentoHackathon/Composer/Magento/Installer/CoreInstaller.php
index ba0b15f4..7d0927a3 100644
--- a/src/MagentoHackathon/Composer/Magento/Installer/CoreInstaller.php
+++ b/src/MagentoHackathon/Composer/Magento/Installer/CoreInstaller.php
@@ -153,4 +153,24 @@ public function getDeployStrategy(PackageInterface $package, $strategy = null)
         $deployStrategy->setIsForced($this->isForced);
         return $deployStrategy;
     }
+
+    /**
+     * Returns the installation path of a package
+     * We don't use the parent class for this because Magento Core should never be installed in  the modman-root-dir
+     *
+     * @param  PackageInterface $package
+     * @return string           path
+     */
+    public function getInstallPath(PackageInterface $package)
+    {
+        $targetDir = $package->getTargetDir();
+        $installPath = $this->getPackageBasePath($package) . ($targetDir ? '/'.$targetDir : '');
+
+        // Make install path absolute. This is needed in the symlink deploy strategies.
+        if (DIRECTORY_SEPARATOR !== $installPath[0] && $installPath[1] !== ':') {
+            $installPath = getcwd() . "/$installPath";
+        }
+
+        return $installPath;
+    }
 }