diff --git a/src/covid19/blueprints/admin/templates/admin/fragments/fragment_admin_navbar_dropdown.html b/src/covid19/blueprints/admin/templates/admin/fragments/fragment_admin_navbar_dropdown.html
index cea019207ed9001ebf17265bae6c7d48d0ad7d07..e3f2673a85a5538b73dfa82470beb46af9078eda 100644
--- a/src/covid19/blueprints/admin/templates/admin/fragments/fragment_admin_navbar_dropdown.html
+++ b/src/covid19/blueprints/admin/templates/admin/fragments/fragment_admin_navbar_dropdown.html
@@ -4,16 +4,32 @@
                         Admin
                     </a>
                     <div class="dropdown-menu" aria-labelledby="navbarDropdown">
-                        <!-- TODO: change URL to for_url() -->
-                        <a class="dropdown-item" href="/admin/tasks">Admin</a>
+                        <a class="dropdown-item" href="{{ url_for( 'admin.url_admin_tasks') }}">
+                            Admin
+                        </a>
                         <div class="dropdown-divider"></div>
-                        <a class="dropdown-item" href="/admin/tasks">admin tasks</a>
-                        <a class="dropdown-item" href="/admin/info">admin info</a>
+                        <a class="dropdown-item" href="{{ url_for( 'admin.url_admin_tasks') }}">
+                            admin tasks
+                        </a>
+                        <a class="dropdown-item" href="{{ url_for( 'admin.url_admin_info') }}">
+                            admin info
+                        </a>
                         <div class="dropdown-divider"></div>
-                        <a class="dropdown-item" href="/admin/alive_message">Task: Admin :: alive message</a>
-                        <a class="dropdown-item" href="/admin/database/drop">Task: Admin :: database :: drop_create</a>
-                        <a class="dropdown-item" href="/admin/database/dump">Task: Admin :: database :: dump</a>
+                        <a class="dropdown-item" href="{{ url_for( 'admin.url_alive_message_start') }}">
+                            Task: Admin :: alive message
+                        </a>
+                        <a class="dropdown-item" href="{{ url_for( 'admin.url_admin_database_drop') }}">
+                            Task: Admin :: database :: drop_create and import
+                        </a>
+                          <a class="dropdown-item" href="{{ url_for( 'admin.url_admin_database_dropcreate_only') }}">
+                            Task: Admin :: database :: drop_create only
+                        </a>
+                        <a class="dropdown-item"  href="{{ url_for( 'admin.url_admin_database_dump') }}">
+                            Task: Admin :: database :: dump
+                        </a>
                         <div class="dropdown-divider"></div>
-                        <a class="dropdown-item" href="/admin/database/import">Task: Admin :: database :: import (TBD)</a>
+                        <a class="dropdown-item" href="{{ url_for( 'admin.url_admin_database_import') }}">
+                            Task: Admin :: database :: import (TBD)
+                        </a>
                     </div>
                 </li>
\ No newline at end of file
diff --git a/src/covid19/blueprints/admin/templates/admin/fragments/fragment_admin_navtabs.html b/src/covid19/blueprints/admin/templates/admin/fragments/fragment_admin_navtabs.html
index 43b16146cef6e851abd26a76685ac7dbb2ffec48..e519221a990de2db8d5ee2ca980d839ef6adce27 100644
--- a/src/covid19/blueprints/admin/templates/admin/fragments/fragment_admin_navtabs.html
+++ b/src/covid19/blueprints/admin/templates/admin/fragments/fragment_admin_navtabs.html
@@ -1,12 +1,13 @@
 
             <nav>
-                <!-- TODO: change URL to for_url() -->
                 <ul class="nav nav-tabs">
                     <li class="nav-item">
-                        <a class="nav-link" href="/admin/info">admin Info</a>
+                        <a class="nav-link"
+                           href="{{ url_for( 'admin.url_admin_info') }}">admin Info</a>
                     </li>
                     <li class="nav-item">
-                        <a class="nav-link" href="/admin/tasks">admin tasks</a>
+                        <a class="nav-link"
+                           href="{{ url_for( 'admin.url_admin_tasks') }}">admin tasks</a>
                     </li>
                 </ul>
             </nav>
\ No newline at end of file
diff --git a/src/covid19/blueprints/application/templates/application/fragments/fragment_navtabs.html b/src/covid19/blueprints/application/templates/application/fragments/fragment_navtabs.html
index 08d0bf1de3efd660a54c146426e1a87de3d2e978..30a919656655ff8c0cb5e3a779d4c2b40dbda01a 100644
--- a/src/covid19/blueprints/application/templates/application/fragments/fragment_navtabs.html
+++ b/src/covid19/blueprints/application/templates/application/fragments/fragment_navtabs.html
@@ -2,43 +2,43 @@
                 <ul class="nav nav-tabs">
                     <li class="nav-item">
                         <a class="nav-link active"
-                           href="/home">
+                           href="{{ url_for( 'url_home') }}">
                             Home
                         </a>
                     </li>
                     <li class="nav-item">
                         <a class="nav-link"
-                           href="/who/tasks">
+                           href="{{ url_for( 'who.url_who_tasks') }}">
                             WHO
                         </a>
                     </li>
                     <li class="nav-item">
                         <a class="nav-link"
-                           href="/ecdc/tasks">
+                           href="{{ url_for( 'ecdc.url_ecdc_tasks') }}">
                             ECDC
                         </a>
                     </li>
                     <li class="nav-item">
                         <a class="nav-link"
-                           href="/rki/vaccination/tasks">
+                           href="{{ url_for( 'rki_vaccination.url_vaccination_tasks') }}">
                             RKI Vaccination
                         </a>
                     </li>
                     <li class="nav-item">
                         <a class="nav-link"
-                           href="/rki/bundeslaender/tasks">
+                           href="{{ url_for('rki_bundeslaender.url_rki_tasks') }}">
                             RKI Bundeslaender
                         </a>
                     </li>
                     <li class="nav-item">
                         <a class="nav-link"
-                           href="/rki/landkreise/tasks">
+                           href="{{ url_for( 'rki_landkreise.url_rki_landkreise_tasks') }}">
                             RKI Landkreise
                         </a>
                     </li>
                     <li class="nav-item">
                         <a class="nav-link"
-                           href="/admin/tasks">
+                           href="{{ url_for( 'admin.url_admin_tasks') }}">
                             Admin
                         </a>
                     </li>