diff --git a/bookwyrm/forms.py b/bookwyrm/forms.py
index 5ad365011..e08f3a3a5 100644
--- a/bookwyrm/forms.py
+++ b/bookwyrm/forms.py
@@ -225,7 +225,7 @@ class LinkDomainForm(CustomForm):
 class FileLinkForm(CustomForm):
     class Meta:
         model = models.FileLink
-        fields = ["url", "filetype", "book"]
+        fields = ["url", "filetype", "book", "added_by"]
 
 
 class EditionForm(CustomForm):
diff --git a/bookwyrm/models/link.py b/bookwyrm/models/link.py
index 22241dddf..3e21642f2 100644
--- a/bookwyrm/models/link.py
+++ b/bookwyrm/models/link.py
@@ -15,6 +15,12 @@ class Link(ActivitypubMixin, BookWyrmModel):
     """a link to a website"""
 
     url = fields.URLField(max_length=255, activitypub_field="href")
+    added_by = fields.ForeignKey(
+        "User",
+        on_delete=models.SET_NULL,
+        null=True,
+        activitypub_field="attributedTo"
+    )
     domain = models.ForeignKey(
         "LinkDomain",
         on_delete=models.CASCADE,
@@ -22,9 +28,6 @@ class Link(ActivitypubMixin, BookWyrmModel):
         blank=True,
         related_name="links",
     )
-    added_by = fields.ForeignKey(
-        "User", on_delete=models.SET_NULL, null=True, activitypub_field="attributedTo"
-    )
 
     activity_serializer = activitypub.Link
     reverse_unfurl = True
diff --git a/bookwyrm/templates/book/file_link_modal.html b/bookwyrm/templates/book/file_link_modal.html
index 04e215574..379f1a077 100644
--- a/bookwyrm/templates/book/file_link_modal.html
+++ b/bookwyrm/templates/book/file_link_modal.html
@@ -12,6 +12,7 @@
 {% block modal-body %}
 {% csrf_token %}
 <input type="hidden" name="book" value="{{ book.id }}">
+<input type="hidden" name="added_by" value="{{ request.user.id }}">
 
 <p class="notification">
     {% trans "Links from unknown domains will need to be approved by a moderator before they are added." %}
diff --git a/bookwyrm/tests/views/books/test_links.py b/bookwyrm/tests/views/books/test_links.py
index 1214e0e2e..1961bde00 100644
--- a/bookwyrm/tests/views/books/test_links.py
+++ b/bookwyrm/tests/views/books/test_links.py
@@ -66,6 +66,7 @@ class LinkViews(TestCase):
         form.data["url"] = "https://www.example.com"
         form.data["filetype"] = "HTML"
         form.data["book"] = self.book.id
+        form.data["added_by"] = self.local_user
 
         request = self.factory.post("", form.data)
         request.user = self.local_user