diff --git a/frontend/editor/src/core/constants/logo.ts b/frontend/editor/src/core/constants/logo.ts
index d73f14b4a7..ad958d2502 100644
--- a/frontend/editor/src/core/constants/logo.ts
+++ b/frontend/editor/src/core/constants/logo.ts
@@ -5,6 +5,27 @@ export const LOGO_FOLDER_BY_VARIANT: Record<LogoVariant, string> = {
   classic: "classic-logo",
 };
 
+/**
+ * Wordmark filenames per variant. The modern wordmark dropped "PDF" from the
+ * artwork, so it is a different file rather than a same-named copy.
+ */
+export const WORDMARK_FILES_BY_VARIANT: Record<
+  LogoVariant,
+  { black: string; grey: string; white: string }
+> = {
+  modern: {
+    black: "StirlingLogoBlackText.svg",
+    // No modern grey artwork exists; muted falls back to the black wordmark.
+    grey: "StirlingLogoBlackText.svg",
+    white: "StirlingLogoWhiteText.svg",
+  },
+  classic: {
+    black: "StirlingPDFLogoBlackText.svg",
+    grey: "StirlingPDFLogoGreyText.svg",
+    white: "StirlingPDFLogoWhiteText.svg",
+  },
+};
+
 export const ensureLogoVariant = (value?: string | null): LogoVariant => {
   return value === "classic" ? "classic" : "modern";
 };
diff --git a/frontend/editor/src/core/hooks/useLogoAssets.test.ts b/frontend/editor/src/core/hooks/useLogoAssets.test.ts
index 3d83fb35f4..4c90760b9d 100644
--- a/frontend/editor/src/core/hooks/useLogoAssets.test.ts
+++ b/frontend/editor/src/core/hooks/useLogoAssets.test.ts
@@ -1,7 +1,10 @@
 import { describe, expect, test } from "vitest";
 import * as fs from "fs";
 import * as path from "path";
-import { LOGO_FOLDER_BY_VARIANT } from "@app/constants/logo";
+import {
+  LOGO_FOLDER_BY_VARIANT,
+  WORDMARK_FILES_BY_VARIANT,
+} from "@app/constants/logo";
 import type { LogoVariant } from "@app/services/preferencesService";
 
 /**
@@ -16,16 +19,15 @@ describe("useLogoAssets - Logo Asset Files", () => {
   // referencing them by their public-URL path. Validate them at source.
   const brandDir = path.resolve(__dirname, "../assets/brand");
 
-  // All asset files that useLogoAssets references
+  // Asset files useLogoAssets references for every variant.
   const requiredAssets = [
     "logo-tooltip.svg",
     "Firstpage.png",
     "favicon.ico",
     "logo192.png",
     "logo512.png",
-    "StirlingPDFLogoWhiteText.svg",
-    "StirlingPDFLogoBlackText.svg",
-    "StirlingPDFLogoGreyText.svg",
+    "StirlingPDFLogoNoTextDark.svg",
+    "StirlingPDFLogoNoTextLight.svg",
   ];
 
   const logoVariants: LogoVariant[] = ["modern", "classic"];
@@ -45,6 +47,36 @@ describe("useLogoAssets - Logo Asset Files", () => {
         `Missing asset: ${folder}/${assetName}`,
       ).toBe(true);
     });
+
+    test.each(Object.entries(WORDMARK_FILES_BY_VARIANT[variant]))(
+      "should have the %s wordmark (%s)",
+      (_tone, assetName) => {
+        const assetPath = path.join(folderPath, assetName);
+        expect(
+          fs.existsSync(assetPath),
+          `Missing asset: ${folder}/${assetName}`,
+        ).toBe(true);
+      },
+    );
+  });
+
+  // Regression guard: modern once shipped byte-identical copies of the classic
+  // wordmarks, so every <Wordmark> rendered the old artwork on the default variant.
+  describe("modern artwork must not be a copy of classic", () => {
+    const modernDir = path.join(brandDir, LOGO_FOLDER_BY_VARIANT.modern);
+    const classicDir = path.join(brandDir, LOGO_FOLDER_BY_VARIANT.classic);
+    const modernOnly = Object.values(WORDMARK_FILES_BY_VARIANT.modern);
+
+    test.each([...new Set(modernOnly)])("%s differs from classic", (name) => {
+      const classicTwin = path.join(classicDir, name);
+      if (!fs.existsSync(classicTwin)) return;
+      expect(
+        fs
+          .readFileSync(path.join(modernDir, name))
+          .equals(fs.readFileSync(classicTwin)),
+        `modern-logo/${name} is byte-identical to classic-logo/${name}`,
+      ).toBe(false);
+    });
   });
 
   describe("manifest files", () => {
diff --git a/frontend/editor/src/core/hooks/useLogoAssets.ts b/frontend/editor/src/core/hooks/useLogoAssets.ts
index 8fd0ad4ba5..fd19fd596f 100644
--- a/frontend/editor/src/core/hooks/useLogoAssets.ts
+++ b/frontend/editor/src/core/hooks/useLogoAssets.ts
@@ -1,6 +1,10 @@
 import { useMemo } from "react";
 import { BASE_PATH } from "@app/constants/app";
-import { getLogoFolder } from "@app/constants/logo";
+import {
+  getLogoFolder,
+  ensureLogoVariant,
+  WORDMARK_FILES_BY_VARIANT,
+} from "@app/constants/logo";
 import { useLogoVariant } from "@app/hooks/useLogoVariant";
 
 export function useLogoAssets() {
@@ -9,6 +13,8 @@ export function useLogoAssets() {
   return useMemo(() => {
     const folder = getLogoFolder(logoVariant);
     const folderPath = `${BASE_PATH}/${folder}`;
+    const wordmarkFiles =
+      WORDMARK_FILES_BY_VARIANT[ensureLogoVariant(logoVariant)];
 
     return {
       logoVariant,
@@ -16,9 +22,9 @@ export function useLogoAssets() {
       folderPath,
       getAssetPath: (name: string) => `${folderPath}/${name}`,
       wordmark: {
-        black: `${folderPath}/StirlingPDFLogoBlackText.svg`,
-        grey: `${folderPath}/StirlingPDFLogoGreyText.svg`,
-        white: `${folderPath}/StirlingPDFLogoWhiteText.svg`,
+        black: `${folderPath}/${wordmarkFiles.black}`,
+        grey: `${folderPath}/${wordmarkFiles.grey}`,
+        white: `${folderPath}/${wordmarkFiles.white}`,
       },
       tooltipLogo: `${folderPath}/logo-tooltip.svg`,
       firstPage: `${folderPath}/Firstpage.png`,