diff --git a/pkgs/os-specific/linux/crda/default.nix b/pkgs/os-specific/linux/crda/default.nix
index 5811e9358b01..137e88cd6e87 100644
--- a/pkgs/os-specific/linux/crda/default.nix
+++ b/pkgs/os-specific/linux/crda/default.nix
@@ -31,7 +31,9 @@ stdenv.mkDerivation rec {
 
   postPatch = ''
     patchShebangs utils/
-    substituteInPlace Makefile --replace ldconfig true
+    substituteInPlace Makefile \
+      --replace ldconfig true \
+      --replace pkg-config $PKG_CONFIG
     sed -i crda.c \
       -e "/\/usr\/.*\/regulatory.bin/d" \
       -e "s|/lib/crda|${wireless-regdb}/lib/crda|g"