diff --git a/flake.nix b/flake.nix
index 9ab99fddb..3767a4d0a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -53,9 +53,9 @@
             name = "conky";
             src = ./.;
             cmakeFlags = [
-              "-BUILD_LUA_CAIRO=ON"
-              "-BUILD_LUA_IMLIB2=ON"
-              "-BUILD_LUA_RSVG=ON"
+              "-DBUILD_LUA_CAIRO=ON"
+              "-DBUILD_LUA_IMLIB2=ON"
+              "-DBUILD_LUA_RSVG=ON"
             ];
             nativeBuildInputs = [
               clang_16