diff --git a/Library/Homebrew/language/node.rb b/Library/Homebrew/language/node.rb
index 4ae81f0bc0..d5785f9249 100644
--- a/Library/Homebrew/language/node.rb
+++ b/Library/Homebrew/language/node.rb
@@ -44,6 +44,7 @@ module Language
       %W[
         -ddd
         --global
+        --unsafe-perm
         --build-from-source
         --#{npm_cache_config}
         --prefix=#{libexec}