diff --git a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/llvm-mode/default.nix b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/llvm-mode/default.nix
index 26f9e25ad665..02fec5ef7f72 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/llvm-mode/default.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/llvm-mode/default.nix
@@ -7,7 +7,7 @@ trivialBuild {
   inherit (llvmPackages.llvm) src version;
 
   postUnpack = ''
-    sourceRoot="$sourceRoot/utils/emacs"
+    sourceRoot="$sourceRoot/llvm/utils/emacs"
   '';
 
   meta = {