diff --git a/code/ryzom/tools/client/ryzom_installer/src/mainwindow.cpp b/code/ryzom/tools/client/ryzom_installer/src/mainwindow.cpp
index 698c41395..d28aaf5fc 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/mainwindow.cpp
+++ b/code/ryzom/tools/client/ryzom_installer/src/mainwindow.cpp
@@ -87,7 +87,7 @@ void CMainWindow::onPlayClicked()
 	QStringList arguments;
 	arguments << "-p";
 	arguments << QString::number(profileIndex);
-	arguments << profile.arguments;
+	arguments << profile.arguments.split(' ');
 
 	bool started = QProcess::startDetached(profile.executable, arguments);