diff --git a/pkgs/applications/editors/emacs/generic.nix b/pkgs/applications/editors/emacs/generic.nix
index 2de45d03dd6..a0bd1193d2c 100644
--- a/pkgs/applications/editors/emacs/generic.nix
+++ b/pkgs/applications/editors/emacs/generic.nix
@@ -145,7 +145,7 @@ in stdenv.mkDerivation {
     rm -rf $siteVersionDir
   '' + lib.optionalString withCsrc ''
     for srcdir in src lisp lwlib ; do
-      dstdir=$siteVersionDir/$srcdir
+      dstdir=$out/share/emacs/$siteVersionDir/$srcdir
       mkdir -p $dstdir
       find $srcdir -name "*.[chm]" -exec cp {} $dstdir \;
       cp $srcdir/TAGS $dstdir
diff --git a/pkgs/applications/editors/emacs/site-start.el b/pkgs/applications/editors/emacs/site-start.el
index de4708b8890..2f02d6d1a86 100644
--- a/pkgs/applications/editors/emacs/site-start.el
+++ b/pkgs/applications/editors/emacs/site-start.el
@@ -52,9 +52,6 @@ least specific (the system profile)"
          (file-name-directory load-file-name)))) ; .../emacs/site-lisp/
       (version
        (file-name-as-directory
-        (concat
-         (number-to-string emacs-major-version)
-         "."
-         (number-to-string emacs-minor-version))))
+        emacs-version))
       (src (file-name-as-directory "src")))
   (setq find-function-C-source-directory (concat emacs version src)))