diff --git a/nixos/tests/incus/ui.nix b/nixos/tests/incus/ui.nix
index 6ab9ad0dd731..27b90c218d78 100644
--- a/nixos/tests/incus/ui.nix
+++ b/nixos/tests/incus/ui.nix
@@ -15,13 +15,15 @@ import ../make-test-python.nix (
     nodes.machine =
       { lib, ... }:
       {
-        virtualisation = {
-          incus = {
-            enable = true;
-            package = if lts then pkgs.incus-lts else pkgs.incus;
-          };
-          incus.ui.enable = true;
+
+        virtualisation.incus = {
+          enable = true;
+          package = if lts then pkgs.incus-lts else pkgs.incus;
+
+          preseed.config."core.https_address" = ":8443";
+          ui.enable = true;
         };
+
         networking.nftables.enable = true;
 
         environment.systemPackages =
@@ -63,16 +65,10 @@ import ../make-test-python.nix (
       };
 
     testScript = ''
-      machine.wait_for_unit("sockets.target")
       machine.wait_for_unit("incus.service")
-      machine.wait_for_file("/var/lib/incus/unix.socket")
-
-      # Configure incus listen address
-      machine.succeed("incus config set core.https_address :8443")
-      machine.succeed("systemctl restart incus")
 
       # Check that the INCUS_UI environment variable is populated in the systemd unit
-      machine.succeed("cat /etc/systemd/system/incus.service | grep 'INCUS_UI'")
+      machine.succeed("systemctl cat incus.service | grep 'INCUS_UI'")
 
       # Ensure the endpoint returns an HTML page with 'Incus UI' in the title
       machine.succeed("curl -kLs https://localhost:8443/ui | grep '<title>Incus UI</title>'")
diff --git a/pkgs/by-name/in/incus-ui-canonical/package.nix b/pkgs/by-name/in/incus-ui-canonical/package.nix
index 85db4d3e10ed..74950f3344e7 100644
--- a/pkgs/by-name/in/incus-ui-canonical/package.nix
+++ b/pkgs/by-name/in/incus-ui-canonical/package.nix
@@ -1,6 +1,7 @@
 {
   lib,
   stdenv,
+  fetchurl,
   fetchFromGitHub,
   fetchYarnDeps,
   nodejs,
@@ -9,32 +10,31 @@
   nixosTests,
   git,
 }:
-
+let
+  # this rarely changes https://github.com/zabbly/incus/blob/daily/patches/ui-canonical-renames.sed
+  renamesSed = fetchurl {
+    url = "https://raw.githubusercontent.com/zabbly/incus/0fa53811ff1043fd9f28c8b78851b60ca58e1b10/patches/ui-canonical-renames.sed";
+    hash = "sha256-f0vd/Xp/kBbZkg6CBM4cZPlwg5WUL/zv3mCAEmugzCE=";
+  };
+in
 stdenv.mkDerivation rec {
   pname = "incus-ui-canonical";
-  version = "0.14.6";
+  version = "0.15";
 
   src = fetchFromGitHub {
     owner = "zabbly";
     repo = "incus-ui-canonical";
-    tag = "incus-${version}";
-    hash = "sha256-An2mhIj3D2EdB1Bgnry1l2m6r/GIKTee4anSYNTq8B8=";
+    tag = version;
+    hash = "sha256-HqdaG51W7eUCGUhA+9pYrAWaA6qyK7Fc95CKJvk9GaA=";
   };
 
   offlineCache = fetchYarnDeps {
     yarnLock = "${src}/yarn.lock";
-    hash = "sha256-dkATFNjAPhrPbXhcJ/R4eIpcagKEwBSnRfLwqTPIe6c=";
-  };
-
-  zabbly = fetchFromGitHub {
-    owner = "zabbly";
-    repo = "incus";
-    rev = "36714d7c38eb3cc3e4e821c7aed44e066e1e84ca";
-    hash = "sha256-H6gjXmwCv3oGXrzn1NENfgO3CWXMnmp94GdJv2Q8n0w=";
+    hash = "sha256-O7oEAjmCEmPpsO/rdkZVhUkxhFzhHpPRbmci3yRBA7g=";
   };
 
   patchPhase = ''
-    sed -i -f "$zabbly/patches/ui-canonical-renames.sed" src/*/*.ts* src/*/*/*.ts* src/*/*/*/*.ts*
+    find -type f -name "*.ts" -o -name "*.tsx" -o -name "*.scss" -o -name "*.html" | xargs sed -i -f ${renamesSed}
   '';
 
   nativeBuildInputs = [