diff --git a/flake.nix b/flake.nix
index 44bcddc..160aa6b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -31,10 +31,7 @@
       src = ./.;
 
       # Add overlays for the `nixpkgs` channel.
-      overlays = with inputs;
-        [
-          nix-matlab.overlay
-        ];
+      overlays = with inputs; [ nix-matlab.overlay ];
 
       snowfall = {
         # The root of the snowfall config
diff --git a/homes/x86_64-linux/julian@aspi/default.nix b/homes/x86_64-linux/julian@aspi/default.nix
index 28a186d..cbe57eb 100644
--- a/homes/x86_64-linux/julian@aspi/default.nix
+++ b/homes/x86_64-linux/julian@aspi/default.nix
@@ -48,13 +48,14 @@ config, ... }: {
 
     # Rust setup
     unstable.rustc
-    rustfmt
-    cargo
-    clippy
-    rust-analyzer
+    unstable.rustfmt
+    unstable.cargo
+    unstable.clippy
+    unstable.rust-analyzer
 
     # Further tools
     unstable.nh # nix helper
+    cntr # nix debugger
 
     (lib.frajul.my-helper-function lazygit)
     languagetool
diff --git a/modules/home/emacs/default.nix b/modules/home/emacs/default.nix
index a2281f9..764c155 100644
--- a/modules/home/emacs/default.nix
+++ b/modules/home/emacs/default.nix
@@ -50,7 +50,7 @@ in {
       dockfmt # docker
       google-java-format # java
       black # python
-      rustfmt # rust
+      unstable.rustfmt # rust
       shfmt
 
       graphviz
@@ -60,7 +60,8 @@ in {
       emacs-all-the-icons-fonts
     ];
 
-    home.activation.installDoomEmacs = lib.home-manager.hm.dag.entryAfter ["writeBoundary"] ''
+    home.activation.installDoomEmacs =
+      lib.home-manager.hm.dag.entryAfter [ "writeBoundary" ] ''
         if [ ! -d "/home/julian/.config/emacs" ]; then
            $DRY_RUN_CMD ${pkgs.git}/bin/git clone --depth=1 --single-branch "${doomRepoUrl}" "/home/julian/.config/emacs"
         fi
@@ -68,5 +69,5 @@ in {
            $DRY_RUN_CMD ${pkgs.git}/bin/git clone "${configRepoUrl}" "/home/julian/.config/doom"
         fi
       '';
-    };
+  };
 }