diff --git a/src/lib/translations/ngx-translate-extract-marker.ts b/src/lib/translations/ngx-translate-extract-marker.ts
new file mode 100644
index 0000000..e9f7079
--- /dev/null
+++ b/src/lib/translations/ngx-translate-extract-marker.ts
@@ -0,0 +1,3 @@
+export function marker<T extends string | string[]>(key: T): T {
+    return key;
+}