1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/applications/editors/emacs-modes/manual-packages.nix b/pkgs/applications/editors/emacs-modes/manual-packages.nix
index 545ad5a5e0c..fd62ea18b71 100644
--- a/pkgs/applications/editors/emacs-modes/manual-packages.nix
+++ b/pkgs/applications/editors/emacs-modes/manual-packages.nix
@@ -6,7 +6,7 @@
     src = pkgs.fetchFromGitHub {
       owner = "skeeto";
       repo = "elisp-ffi";
-      rev = "${version}";
+      rev = version;
       sha256 = "0z2n3h5l5fj8wl8i1ilfzv11l3zba14sgph6gz7dx7q12cnp9j22";
     };
     buildInputs = [ external.libffi ];