diff --git a/action.yml b/action.yml
index 47f0ce3..123e9f2 100644
--- a/action.yml
+++ b/action.yml
@@ -8,6 +8,9 @@ inputs:
   node-mirror:
     description: The node.js mirror to use
     default: https://nodejs.org/dist/
+  package-manager:
+    description: The package manager to use. Uses npm@latest if omitted.
+    default: npm
 runs:
   using: node12
   main: index.js
diff --git a/index.js b/index.js
index 00ff83a..ab6eac8 100644
--- a/index.js
+++ b/index.js
@@ -1,9 +1,11 @@
 const child_process = require("child_process");
+const fs = require("fs");
 const path = require("path");
 const core = require("@actions/core");
 const version = core.getInput("node-version");
 const mirror = core.getInput("node-mirror");
-const child = child_process.spawn("bash", [ "install.sh", version, mirror ], { cwd: __dirname });
+const cwd = fs.existsSync(path.join(process.cwd(), `.nvmrc`)) ? process.cwd() : __dirname;
+const child = child_process.spawn("bash", [ path.join(__dirname, "install.sh"), version, mirror ], { cwd: cwd });
 const stdout = [];
 child.stdout.on("data", out => {
   stdout.push(out);