diff --git a/lib/Alchemy/Phrasea/Command/Plugin/AbstractPluginCommand.php b/lib/Alchemy/Phrasea/Command/Plugin/AbstractPluginCommand.php
index f535c2cd39..53e4ffed39 100644
--- a/lib/Alchemy/Phrasea/Command/Plugin/AbstractPluginCommand.php
+++ b/lib/Alchemy/Phrasea/Command/Plugin/AbstractPluginCommand.php
@@ -15,6 +15,21 @@ use Alchemy\Phrasea\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 
+function normalizePath($path) {
+    return array_reduce(explode('/', $path), function ($a, $b) {
+			if($a === 0)
+				$a = '/';
+
+			if($b === '' || $b === '.')
+				return $a;
+
+			if($b === '..')
+				return dirname($a);
+
+			return preg_replace('/\/+/', '/', "$a/$b");
+    }, 0);
+}
+
 abstract class AbstractPluginCommand extends Command
 {
     protected function validatePlugins(InputInterface $input, OutputInterface $output)
@@ -54,13 +69,12 @@ abstract class AbstractPluginCommand extends Command
 
     protected function doInstallPlugin($source, InputInterface $input, OutputInterface $output)
     {
-
         $output->write("Validating plugin...");
         $manifest = $this->container['plugins.plugins-validator']->validatePlugin($source);
         $output->writeln(" <comment>OK</comment> found <info>".$manifest->getName()."</info>");
 
         $targetDir  = $this->container['plugin.path'] . DIRECTORY_SEPARATOR . $manifest->getName();
-        if (realpath($targetDir) !== realpath($source)) {
+        if (normalizePath($targetDir) !== normalizePath($source)) {
             $temporaryDir = $this->container['temporary-filesystem']->createTemporaryDirectory();
             $output->write("Importing <info>$source</info>...");
             $this->container['plugins.importer']->import($source, $temporaryDir);
diff --git a/tests/Alchemy/Tests/Phrasea/Command/Plugin/AddPluginTest.php b/tests/Alchemy/Tests/Phrasea/Command/Plugin/AddPluginTest.php
index 523b4c00da..506c4f104a 100644
--- a/tests/Alchemy/Tests/Phrasea/Command/Plugin/AddPluginTest.php
+++ b/tests/Alchemy/Tests/Phrasea/Command/Plugin/AddPluginTest.php
@@ -69,7 +69,7 @@ class AddPluginTest extends PluginCommandTestCase
         // the plugin is checked when updating config files
         self::$DI['cli']['plugins.plugins-validator']->expects($this->at(0))
             ->method('validatePlugin')
-            ->with('tempdir')
+            ->with('TestPlugin')
             ->will($this->returnValue($manifest));
 
         self::$DI['cli']['plugins.plugins-validator']->expects($this->at(1))