diff --git a/krebs/5pkgs/simple/K_belwagen.nix b/krebs/5pkgs/simple/K_belwagen.nix
index 80d377b0c..2f64bb09d 100644
--- a/krebs/5pkgs/simple/K_belwagen.nix
+++ b/krebs/5pkgs/simple/K_belwagen.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
 
   buildInputs = [
     pkgs.jack1
-    pkgs.pkgconfig
+    pkgs.pkg-config
   ];
 
   patchPhase = ''