diff --git a/README.md b/README.md
index 153669626f..59314a64d3 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,16 @@ Frontend website for https://vo.codes/
 
 Hosted with netlify.
 
+Installation in Dev
+-------------------
+
+Normally, `npm install` in the `./vocodes` directory works, but Mac needed
+the following workaround for a [sass build failure](https://stackoverflow.com/a/55494370): 
+
+```
+sudo npm install --unsafe-perm -g node-sass
+```
+
 
 Logo, Favicon, Font
 -------------------