1 files changed, 4 insertions, 0 deletions
diff --git a/chimere/forms.py b/chimere/forms.py
index 5ae8257..d534b53 100644
--- a/chimere/forms.py
+++ b/chimere/forms.py
@@ -274,6 +274,8 @@ class MultimediaFileForm(forms.ModelForm):
     """
     Form for a multimedia file
     """
+    pk = forms.IntegerField(label=u"", widget=forms.HiddenInput(),
+                            required=False)
     class Meta:
         model = MultimediaFile
         exclude = ('order',)
@@ -284,6 +286,8 @@ class PictureFileForm(forms.ModelForm):
     """
     Form for a picture file
     """
+    pk = forms.IntegerField(label=u"", widget=forms.HiddenInput(),
+                            required=False)
     class Meta:
         model = PictureFile
         exclude = ('order', 'height', 'width')