diff --git a/next/app/(main)/beitraege/getPosts.ts b/next/app/(main)/beitraege/getPosts.ts
index e633264..59d767a 100644
--- a/next/app/(main)/beitraege/getPosts.ts
+++ b/next/app/(main)/beitraege/getPosts.ts
@@ -68,6 +68,17 @@ export const getPosts = async (filters, offset, limit) => {
                     },
                   },
                 },
+                {
+                  authors: {
+                    directus_users_id: {
+                      last_name: {
+                        _icontains: filters.searchTerm
+                          ? filters.searchTerm
+                          : undefined,
+                      },
+                    },
+                  },
+                },
                 {
                   program: {
                     name: {