diff --git a/pkgs/games/freeciv/default.nix b/pkgs/games/freeciv/default.nix
index 760c8fcf122..a2d76611f21 100644
--- a/pkgs/games/freeciv/default.nix
+++ b/pkgs/games/freeciv/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, autoreconfHook, lua5_3, pkgconfig, python3
+{ stdenv, fetchFromGitHub, autoreconfHook, lua5_3, pkg-config, python3
 , zlib, bzip2, curl, lzma, gettext, libiconv
 , sdlClient ? true, SDL, SDL_mixer, SDL_image, SDL_ttf, SDL_gfx, freetype, fluidsynth
 , gtkClient ? false, gtk3
@@ -28,7 +28,7 @@ in stdenv.mkDerivation rec {
     done
   '';
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ]
+  nativeBuildInputs = [ autoreconfHook pkg-config ]
     ++ optional qtClient [ qt5.wrapQtAppsHook ];
 
   buildInputs = [ lua5_3 zlib bzip2 curl lzma gettext libiconv ]