diff --git a/pkgs/development/tools/misc/cscope/default.nix b/pkgs/development/tools/misc/cscope/default.nix
index 2a9e77bd05bc..c27c7ab291a2 100644
--- a/pkgs/development/tools/misc/cscope/default.nix
+++ b/pkgs/development/tools/misc/cscope/default.nix
@@ -17,8 +17,8 @@ stdenv.mkDerivation rec {
 
   configureFlags = "--with-ncurses=${ncurses}";
 
-  buildInputs = [ ncurses emacs ];
-  buildNativeInputs = [ pkgconfig ];
+  buildInputs = [ ncurses ];
+  buildNativeInputs = [ pkgconfig emacs ];
 
   postInstall = ''
     # Install Emacs mode.