diff --git a/gnu/packages/elixir.scm b/gnu/packages/elixir.scm
index fae8279e5c..55e17f2901 100644
--- a/gnu/packages/elixir.scm
+++ b/gnu/packages/elixir.scm
@@ -70,7 +70,7 @@ (define-public elixir
                 (("#!/bin/sh")
                  (string-append "#!" (search-input-file inputs "/bin/sh"))))
               (substitute* "bin/elixir"
-                (("^ERTS_BIN=$")
+                (("ERTS_BIN=\n")
                  (string-append
                   "ERTS_BIN="
                   ;; Elixir Releases will prepend to ERTS_BIN the path of