diff --git a/metacall.rb b/metacall.rb
index c7ce1a4..501d8ea 100644
--- a/metacall.rb
+++ b/metacall.rb
@@ -61,6 +61,8 @@ def install
       build_dir.install resource("node")
     end
 
+    ENV.prepend_path "PATH", build_dir
+
     # Set the compiler
     cc_compiler = `xcrun --find clang`.tr("\n","")
     cxx_compiler = `xcrun --find clang++`.tr("\n","")