diff --git a/flake.nix b/flake.nix
index aa252cf..a9f73e7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -20,6 +20,10 @@
           nonRustDeps = [
             pkgs.libiconv
           ];
+          rust-toolchain = pkgs.symlinkJoin {
+            name = "rust-toolchain";
+            paths = [ pkgs.rustc pkgs.cargo pkgs.cargo-watch pkgs.rust-analyzer pkgs.rustPlatform.rustcSrc ];
+          };
         in
         {
           # Rust package
@@ -45,11 +49,9 @@
             buildInputs = nonRustDeps;
             nativeBuildInputs = with pkgs; [
               just
-              rustc
-              cargo
-              cargo-watch
-              rust-analyzer
+              rust-toolchain
             ];
+            RUST_BACKTRACE = 1;
           };
 
           # Add your auto-formatters here.