diff --git a/coinmanager/coinc/cache.py b/coinmanager/coinc/cache.py
index 5385ac7..503a829 100644
--- a/coinmanager/coinc/cache.py
+++ b/coinmanager/coinc/cache.py
@@ -28,12 +28,12 @@ def get_last_modified_coin(request):
     return cache.get('last_modified_coin', set_last_modified_coin())
 
 
-def set_last_modified_coin(name_iso):
+def set_last_modified_coin():
     ''' set and return the datetime of the last coin added '''
     try:
         last_modified = Coin.objects.latest('date_modified').date_modified
     except Coin.DoesNotExist:
-        raise Http404(f'Das Land "{name_iso}" existiert nicht')
+        raise Http404(f'Das Land existiert nicht')
     cache.set('last_modified_coin', last_modified)
     return last_modified
 
diff --git a/coinmanager/coinc/views.py b/coinmanager/coinc/views.py
index a6ecd26..bc88e2b 100644
--- a/coinmanager/coinc/views.py
+++ b/coinmanager/coinc/views.py
@@ -370,7 +370,7 @@ def add_coin(request, country, year, value):
             in_collector = ec,
             exists       = exists)
 
-    set_last_modified_coin(country.name_iso)
+    set_last_modified_coin()
     set_last_modified_country(country.name_iso)
     return response()