diff --git a/pkgs/development/beam-modules/elixir_ls.nix b/pkgs/development/beam-modules/elixir_ls.nix
index 916a150c1f9d..b61db92584d1 100644
--- a/pkgs/development/beam-modules/elixir_ls.nix
+++ b/pkgs/development/beam-modules/elixir_ls.nix
@@ -9,7 +9,7 @@ mixRelease rec {
   src = fetchFromGitHub {
     owner = "elixir-lsp";
     repo = "elixir-ls";
-    rev = "v{version}";
+    rev = "v${version}";
     sha256 = "0d0hqc35hfjkpm88vz21mnm2a9rxiqfrdi83whhhh6d2ba216b7s";
     fetchSubmodules = true;
   };