diff --git a/src/apps/installer/InstallerWindow.cpp b/src/apps/installer/InstallerWindow.cpp
index 7eda7b13d4..7b528c47d4 100644
--- a/src/apps/installer/InstallerWindow.cpp
+++ b/src/apps/installer/InstallerWindow.cpp
@@ -580,6 +580,7 @@ void
 InstallerWindow::_DisableInterface(bool disable)
 {
 	fSetupButton->SetEnabled(!disable);
+	fMakeBootableButton->SetEnabled(!disable);
 	fSrcMenuField->SetEnabled(!disable);
 	fDestMenuField->SetEnabled(!disable);
 }