diff --git a/books/views.py b/books/views.py
index 5dda8e0c..df608148 100644
--- a/books/views.py
+++ b/books/views.py
@@ -277,7 +277,7 @@ def create_update_mark(request):
             form = BookMarkForm(request.POST)
 
         if form.is_valid():
-            if form.instance.status == MarkStatusEnum.WISH.value:
+            if form.instance.status == MarkStatusEnum.WISH.value or form.instance.rating == 0:
                 form.instance.rating = None
                 form.cleaned_data['rating'] = None
             form.instance.owner = request.user
@@ -325,7 +325,7 @@ def create_update_mark(request):
                     mastodon_logger.error(f"CODE:{response.status_code} {response.text}")
                     return HttpResponseServerError("publishing mastodon status failed")
         else:
-            return HttpResponseBadRequest("invalid form data")
+            return HttpResponseBadRequest(f"invalid form data {form.errors}")
 
         return redirect(reverse("books:retrieve", args=[form.instance.book.id]))
     else:
diff --git a/common/forms.py b/common/forms.py
index d010b583..b503f350 100644
--- a/common/forms.py
+++ b/common/forms.py
@@ -88,7 +88,7 @@ class RatingValidator:
                 _('%(value)s is not an integer'),
                 params={'value': value},
             )
-        if not str(value) in [str(i) for i in range(1, 11)]:
+        if not str(value) in [str(i) for i in range(0, 11)]:
             raise ValidationError(
                 _('%(value)s is not an integer in range 1-10'),
                 params={'value': value},
diff --git a/games/views.py b/games/views.py
index 0fecf12a..200106bd 100644
--- a/games/views.py
+++ b/games/views.py
@@ -279,7 +279,7 @@ def create_update_mark(request):
             form = GameMarkForm(request.POST)
 
         if form.is_valid():
-            if form.instance.status == MarkStatusEnum.WISH.value:
+            if form.instance.status == MarkStatusEnum.WISH.value or form.instance.rating == 0:
                 form.instance.rating = None
                 form.cleaned_data['rating'] = None
             form.instance.owner = request.user
@@ -328,7 +328,7 @@ def create_update_mark(request):
                         f"CODE:{response.status_code} {response.text}")
                     return HttpResponseServerError("publishing mastodon status failed")
         else:
-            return HttpResponseBadRequest("invalid form data")
+            return HttpResponseBadRequest(f"invalid form data {form.errors}")
 
         return redirect(reverse("games:retrieve", args=[form.instance.game.id]))
     else:
diff --git a/movies/views.py b/movies/views.py
index 007ab1b6..9f6c0390 100644
--- a/movies/views.py
+++ b/movies/views.py
@@ -278,7 +278,7 @@ def create_update_mark(request):
             form = MovieMarkForm(request.POST)
 
         if form.is_valid():
-            if form.instance.status == MarkStatusEnum.WISH.value:
+            if form.instance.status == MarkStatusEnum.WISH.value or form.instance.rating == 0:
                 form.instance.rating = None
                 form.cleaned_data['rating'] = None
             form.instance.owner = request.user
@@ -327,7 +327,7 @@ def create_update_mark(request):
                         f"CODE:{response.status_code} {response.text}")
                     return HttpResponseServerError("publishing mastodon status failed")
         else:
-            return HttpResponseBadRequest("invalid form data")
+            return HttpResponseBadRequest(f"invalid form data {form.errors}")
 
         return redirect(reverse("movies:retrieve", args=[form.instance.movie.id]))
     else:
diff --git a/music/views.py b/music/views.py
index ee7d68f1..36976ada 100644
--- a/music/views.py
+++ b/music/views.py
@@ -297,7 +297,7 @@ def create_update_song_mark(request):
             form = SongMarkForm(request.POST)
 
         if form.is_valid():
-            if form.instance.status == MarkStatusEnum.WISH.value:
+            if form.instance.status == MarkStatusEnum.WISH.value or form.instance.rating == 0:
                 form.instance.rating = None
                 form.cleaned_data['rating'] = None
             form.instance.owner = request.user
@@ -346,7 +346,7 @@ def create_update_song_mark(request):
                         f"CODE:{response.status_code} {response.text}")
                     return HttpResponseServerError("publishing mastodon status failed")
         else:
-            return HttpResponseBadRequest("invalid form data")
+            return HttpResponseBadRequest(f"invalid form data {form.errors}")
 
         return redirect(reverse("music:retrieve_song", args=[form.instance.song.id]))
     else:
@@ -868,7 +868,7 @@ def create_update_album_mark(request):
             form = AlbumMarkForm(request.POST)
 
         if form.is_valid():
-            if form.instance.status == MarkStatusEnum.WISH.value:
+            if form.instance.status == MarkStatusEnum.WISH.value or form.instance.rating == 0:
                 form.instance.rating = None
                 form.cleaned_data['rating'] = None
             form.instance.owner = request.user
@@ -917,7 +917,7 @@ def create_update_album_mark(request):
                         f"CODE:{response.status_code} {response.text}")
                     return HttpResponseServerError("publishing mastodon status failed")
         else:
-            return HttpResponseBadRequest("invalid form data")
+            return HttpResponseBadRequest(f"invalid form data {form.errors}")
 
         return redirect(reverse("music:retrieve_album", args=[form.instance.album.id]))
     else: