diff --git a/pkgs/by-name/ni/nickel/package.nix b/pkgs/by-name/ni/nickel/package.nix
index 6d50a02eb1e2..081dafa00ab5 100644
--- a/pkgs/by-name/ni/nickel/package.nix
+++ b/pkgs/by-name/ni/nickel/package.nix
@@ -26,8 +26,10 @@ rustPlatform.buildRustPackage (finalAttrs: {
   cargoHash = "sha256-uCy/Qo92yZ4pjjgW64nWYH21EbdMMwGXP5522tl8MAE=";
 
   cargoBuildFlags = [
-    "-p nickel-lang-cli"
-    "-p nickel-lang-lsp"
+    "--package"
+    "nickel-lang-cli"
+    "--package"
+    "nickel-lang-lsp"
   ];
 
   nativeBuildInputs = [