diff --git a/package/xscreensaver/Config.in b/package/xscreensaver/Config.in
index 21a19d001e..e2534a6c08 100644
--- a/package/xscreensaver/Config.in
+++ b/package/xscreensaver/Config.in
@@ -3,6 +3,8 @@ config BR2_PACKAGE_XSCREENSAVER
 	depends on BR2_PACKAGE_XORG7
 	depends on BR2_INSTALL_LIBSTDCPP # libgtk2->pango
 	depends on BR2_TOOLCHAIN_HAS_THREADS # libgtk2->glib2
+	depends on BR2_USE_WCHAR # libgtk2->glib2
+	depends on BR2_USE_MMU # libgtk2->glib2
 	select BR2_PACKAGE_LIBGTK2
 	select BR2_PACKAGE_LIBGLADE
 	select BR2_PACKAGE_JPEG
@@ -18,6 +20,7 @@ config BR2_PACKAGE_XSCREENSAVER
 
 	  http://www.jwz.org/xscreensaver/
 
-comment "xscreensaver needs a toolchain w/ C++, threads"
+comment "xscreensaver needs a toolchain w/ wchar, C++, threads"
 	depends on BR2_PACKAGE_XORG7
+	depends on BR2_USE_MMU
 	depends on !(BR2_INSTALL_LIBSTDCPP && BR2_TOOLCHAIN_HAS_THREADS)