diff --git a/flake.nix b/flake.nix
index ff21cb0..e650125 100644
--- a/flake.nix
+++ b/flake.nix
@@ -41,7 +41,7 @@
       packig = naersk-lib.buildPackage {
         pname = "iso7010-a-day";
         root = ./.;
-        buildInputs = [pkgs.openssl pkgs.pkgconfig];
+        buildInputs = [pkgs.openssl pkgs.pkg-config];
       };
     in {
       packages.default = packig;