diff --git a/libports/src/lib/libc/vfs_plugin.cc b/libports/src/lib/libc/vfs_plugin.cc
index 3c5cfc2f9..44c7c4cef 100644
--- a/libports/src/lib/libc/vfs_plugin.cc
+++ b/libports/src/lib/libc/vfs_plugin.cc
@@ -164,7 +164,8 @@ class Libc_file_system_factory : public Vfs::File_system_factory
 
 namespace Libc {
 
-	static Genode::Xml_node config()
+	Genode::Xml_node config() __attribute__((weak));
+	Genode::Xml_node config()
 	{
 		return Genode::config()->xml_node().sub_node("libc");
 	}
diff --git a/ports/src/lib/libc_noux/plugin.cc b/ports/src/lib/libc_noux/plugin.cc
index d7876d30d..6725e539c 100644
--- a/ports/src/lib/libc_noux/plugin.cc
+++ b/ports/src/lib/libc_noux/plugin.cc
@@ -68,10 +68,11 @@ enum { verbose_signals = false };
 namespace Libc {
 
 	/*
-	 * Override the weak function interface of the VFS plugin as Noux programs
-	 * do not obtain a VFS configuration via Genode's config mechansim.
+	 * Override the weak function interface of the libc and VFS plugin as Noux
+	 * programs do not obtain such configuration via Genode's config mechanism.
 	 */
-	Genode::Xml_node vfs_config() { return Xml_node("<vfs/>"); }
+	Genode::Xml_node config()     { return Xml_node("<libc/>"); }
+	Genode::Xml_node vfs_config() { return Xml_node("<vfs/>");  }
 }