diff --git a/home-manager/home.nix b/home-manager/home.nix
--- a/home-manager/home.nix
+++ b/home-manager/home.nix
@@ -33,6 +33,7 @@ overlays.additions
       overlays.modifications
       overlays.unstable-packages
       overlays.ltrace-fix
+      overlays.fish-fix
 
       # Neovim nightly overlay (disabled as broken with unstable)
       # neovim-nightly-overlay.overlays.default
diff --git a/hosts/iso/iso.nix b/hosts/iso/iso.nix
--- a/hosts/iso/iso.nix
+++ b/hosts/iso/iso.nix
@@ -67,6 +67,13 @@ services.qemuGuest.enable = true;
   # Enables copy / paste when running in a KVM with spice.
   services.spice-vdagentd.enable = true;
 
+  nixpkgs = {
+    # You can add overlays here
+    overlays = [
+      # Add overlays your own flake exports (from overlays and pkgs dir):
+      outputs.overlays.fish-fix
+    ];
+  };
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   users.users.nixos = {
     openssh.authorizedKeys.keys = inputs.nix-secrets.ssh-keys;
diff --git a/hosts/sachiel/configuration.nix b/hosts/sachiel/configuration.nix
--- a/hosts/sachiel/configuration.nix
+++ b/hosts/sachiel/configuration.nix
@@ -86,6 +86,7 @@ # Add overlays your own flake exports (from overlays and pkgs dir):
       outputs.overlays.additions
       outputs.overlays.modifications
       outputs.overlays.unstable-packages
+      outputs.overlays.fish-fix
 
       # Or define it inline, for example:
       # (final: prev: {
diff --git a/overlays/default.nix b/overlays/default.nix
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -20,9 +20,23 @@ system = final.system;
       config.allowUnfree = true;
     };
   };
-  ltrace-fix = final: _prev: {
-    ltrace = _prev.ltrace.overrideAttrs {
+  ltrace-fix = final: prev: {
+    ltrace = prev.ltrace.overrideAttrs {
       env.NIX_CFLAGS_COMPILE = "-Wno-error=incompatible-pointer-types";
     };
+  };
+  fish-fix = final: prev: {
+    fish = prev.fish.overrideAttrs (
+      finalAttrs: previousAttrs: {
+        version = "4.3.2";
+        src = previousAttrs.src.override {
+          hash = "sha256-/B4U3giKGmU5B/L5HQLS1lU8f7hsfI4aCeOjWcQ1dpA=";
+        };
+        cargoDeps = final.rustPlatform.fetchCargoVendor {
+          inherit (finalAttrs) src patches;
+          hash = "sha256-/udRRs/ieLfazVTwM47ElExN40QdAG/OqQXmYurgC1I=";
+        };
+      }
+    );
   };
 }