diff --git a/projects/elixir-lang.org/package.yml b/projects/elixir-lang.org/package.yml
index ed7a2e5d..56538e1a 100644
--- a/projects/elixir-lang.org/package.yml
+++ b/projects/elixir-lang.org/package.yml
@@ -9,7 +9,7 @@ versions:
 dependencies:
   erlang.org: '*'
 
-build: make install
+build: make install PREFIX="{{prefix}}"
 
 provides:
   - bin/elixir