diff --git a/apps/participation/forms.py b/apps/participation/forms.py
index 44663ea..12e6c20 100644
--- a/apps/participation/forms.py
+++ b/apps/participation/forms.py
@@ -154,7 +154,7 @@ class SolutionForm(forms.ModelForm):
             pages = len(pdf_reader.pages)
             if pages > 30:
                 raise ValidationError(_("The PDF file must not have more than 30 pages."))
-            return self.cleaned_data["photo_authorization"]
+            return self.cleaned_data["file"]
 
     def save(self, commit=True):
         """
@@ -213,7 +213,7 @@ class SynthesisForm(forms.ModelForm):
                 raise ValidationError(_("The uploaded file size must be under 2 Mo."))
             if file.content_type != "application/pdf":
                 raise ValidationError(_("The uploaded file must be a PDF file."))
-            return self.cleaned_data["photo_authorization"]
+            return self.cleaned_data["file"]
 
     def save(self, commit=True):
         """