diff --git a/pkgs/os-specific/linux/batman-adv/alfred.nix b/pkgs/os-specific/linux/batman-adv/alfred.nix
index 96040f2828cf..ae7d784591d2 100644
--- a/pkgs/os-specific/linux/batman-adv/alfred.nix
+++ b/pkgs/os-specific/linux/batman-adv/alfred.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ gpsd libcap libnl ];
 
   preBuild = ''
-    makeFlags="PREFIX=$out PKG_CONFIG=${pkg-config}/bin/${pkg-config.targetPrefix}pkg-config"
+    makeFlags="PREFIX=$out"
   '';
 
   meta = {
diff --git a/pkgs/os-specific/linux/batman-adv/batctl.nix b/pkgs/os-specific/linux/batman-adv/batctl.nix
index 079624c10ad6..b01f48a242a6 100644
--- a/pkgs/os-specific/linux/batman-adv/batctl.nix
+++ b/pkgs/os-specific/linux/batman-adv/batctl.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libnl ];
 
   preBuild = ''
-    makeFlags="PREFIX=$out PKG_CONFIG=${pkg-config}/bin/${pkg-config.targetPrefix}pkg-config"
+    makeFlags="PREFIX=$out"
   '';
 
   meta = {