diff --git a/modules/scripts/todo.nix b/modules/scripts/todo.nix
index f7b06640..767a4bbb 100644
--- a/modules/scripts/todo.nix
+++ b/modules/scripts/todo.nix
@@ -23,6 +23,6 @@ in
         (withSystem pkgs.system (psArgs: psArgs.config.packages.${name}))
       ];
 
-      home.sessionVariables.TODO_FILE = "${config.xdg.userDirs.documents}/todo.adoc";
+      home.sessionVariables.TODO_FILE = "${config.home.sessionVariables.WIKI_DIRECTORY}/todo.adoc";
     };
 }
diff --git a/modules/wiki.nix b/modules/wiki.nix
new file mode 100644
index 00000000..b5276c2e
--- /dev/null
+++ b/modules/wiki.nix
@@ -0,0 +1,7 @@
+{
+  flake.modules.homeManager.base =
+    { config, ...}:
+    {
+      home.sessionVariables.WIKI_DIRECTORY = "${config.xdg.userDirs.documents}/wiki";
+    };
+}