diff --git a/flake.in.nix b/flake.in.nix
index 9031f4d..460d0b3 100644
--- a/flake.in.nix
+++ b/flake.in.nix
@@ -71,6 +71,7 @@
     nixpkgs-master = flake "github:NixOS/nixpkgs/master";
 
     ### Source code
+    cisco-packettracer8 = source "file:///home/myned/SYNC/linux/config/cisco/CiscoPacketTracer822_amd64_signed.deb";
     firefox-gnome-theme = source "github:rafaelmardojai/firefox-gnome-theme/v128";
     lifx-cli = source "github:Rawa/lifx-cli";
     steamtinkerlaunch = source "github:sonic2kk/steamtinkerlaunch";
diff --git a/flake.nix b/flake.nix
index f64ebd5..d0ccb17 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,6 +30,10 @@
       inputs.nixpkgs.follows = "nixpkgs-unstable";
       url = "github:firecat53/bitwarden-menu";
     };
+    cisco-packettracer8 = {
+      flake = false;
+      url = "file:///home/myned/SYNC/linux/config/cisco/CiscoPacketTracer822_amd64_signed.deb";
+    };
     compose2nix = {
       inputs.nixpkgs.follows = "nixpkgs-unstable";
       url = "github:aksiksi/compose2nix";
diff --git a/options/custom/settings/packages.nix b/options/custom/settings/packages.nix
index c485b4b..539d4e3 100644
--- a/options/custom/settings/packages.nix
+++ b/options/custom/settings/packages.nix
@@ -167,9 +167,14 @@ in {
           zrythm # Digital audio workstation
 
           #!! Must be downloaded manually due to licensing
-          # (ciscoPacketTracer8.overrideAttrs {
-          #   src = ${config.custom.sync}/linux/config/cisco/CiscoPacketTracer822_amd64_signed.deb;
-          # })
+          # BUG: Dangling symlinks, remove workaround when merged into unstable
+          # https://github.com/NixOS/nixpkgs/pull/380309
+          ((ciscoPacketTracer8.overrideAttrs {
+              dontCheckForBrokenSymlinks = true;
+            })
+            .override {
+              packetTracerSource = inputs.cisco-packettracer8;
+            })
 
           ### CLI applications
           inputs.agenix.packages.${system}.default