diff --git a/code/ryzom/tools/client/ryzom_installer/src/operationdialog.cpp b/code/ryzom/tools/client/ryzom_installer/src/operationdialog.cpp
index 2b7c9ea98..2a7c80ae1 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/operationdialog.cpp
+++ b/code/ryzom/tools/client/ryzom_installer/src/operationdialog.cpp
@@ -362,7 +362,30 @@ void COperationDialog::downloadClient()
 	m_downloader->prepareFile(config->expandVariables(server.clientDownloadUrl), config->getInstallationDirectory() + "/" + config->expandVariables(server.clientDownloadFilename) + ".part");
 }
 
-void COperationDialog::copyServerFiles()
+void COperationDialog::extractDownloadedClient()
+{
+	CConfigFile *config = CConfigFile::getInstance();
+
+	const CServer &server = config->getServer(m_currentServerId);
+
+	m_currentOperation = QApplication::tr("Extract data files required by server %1").arg(server.name);
+	m_currentOperationProgressFormat = QApplication::tr("Extracting %1...");
+
+	CFilesExtractor extractor(this);
+	extractor.setSourceFile(config->getInstallationDirectory() + "/" + server.clientDownloadFilename);
+	extractor.setDestinationDirectory(server.getDirectory());
+
+	if (extractor.exec())
+	{
+	}
+	else
+	{
+	}
+
+	emit done();
+}
+
+void COperationDialog::copyDataFiles()
 {
 	CConfigFile *config = CConfigFile::getInstance();