diff --git a/x2i/index.ts b/x2i/index.ts
index 40c4d68..4ab7347 100644
--- a/x2i/index.ts
+++ b/x2i/index.ts
@@ -77,8 +77,9 @@ const matchType: { [key: string]: IMatchInstructions } = {
  * @returns Compiled keys.
  */
 function readKeys(fpath: string) {
-  return yaml
+  var keys: any = yaml
     .safeLoad(fs.readFileSync(fpath, "utf8"))
+  return keys
     .map(compileKey)
     .filter(Boolean) as CompiledReplacer[];
 }