diff --git a/apps/server/scripts/build.ts b/apps/server/scripts/build.ts
index 14401080e2..9fa1f9cb83 100644
--- a/apps/server/scripts/build.ts
+++ b/apps/server/scripts/build.ts
@@ -12,13 +12,6 @@ async function main() {
 
     // Copy node modules dependencies
     build.copyNodeModules([ "better-sqlite3", "bindings", "file-uri-to-path" ]);
-
-    // Tesseract.js worker runs in a separate worker_thread and needs its
-    // source files (+ WASM core + transitive deps) on disk — they cannot be bundled.
-    build.copyNodeModules([
-        "tesseract.js", "tesseract.js-core", "wasm-feature-detect",
-        "regenerator-runtime", "is-url", "bmp-js"
-    ]);
     build.copy("/node_modules/ckeditor5/dist/ckeditor5-content.css", "ckeditor5-content.css");
 
     build.buildFrontend();
diff --git a/scripts/build-utils.ts b/scripts/build-utils.ts
index 7349cecb2b..23af1db90d 100644
--- a/scripts/build-utils.ts
+++ b/scripts/build-utils.ts
@@ -68,6 +68,14 @@ export default class BuildHelper {
             minify: true
         });
         writeFileSync(join(this.outDir, "meta.json"), JSON.stringify(result.metafile));
+
+        // Tesseract.js is marked as external above because its worker runs in
+        // a separate worker_thread. Copy the worker source, WASM core and all
+        // transitive runtime deps so they are available in dist/node_modules.
+        this.copyNodeModules([
+            "tesseract.js", "tesseract.js-core", "wasm-feature-detect",
+            "regenerator-runtime", "is-url", "bmp-js"
+        ]);
     }
 
     buildFrontend() {