diff --git a/lib/default.nix b/lib/default.nix
index 024f465..07fe91e 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -11,7 +11,9 @@ trivial // (with trivial; rec {
 
   mkImports = root: builtins.map (mkImport root);
 
-  getKeys = name: builtins.filter (k: k != "") (lib.splitString "\n" (builtins.readFile (../keys + "/${name}.keys")));
+  getKeys = name: builtins.filter
+    (k: k != "")
+    (lib.splitString "\n" (builtins.readFile (mkRel ../keys "${name}.keys")));
 
   /* List version of getKeys */
   getAllKeys = names: builtins.concatLists (builtins.map getKeys names);