diff --git a/app/models/comment.py b/app/models/comment.py
index a7386db..e502362 100644
--- a/app/models/comment.py
+++ b/app/models/comment.py
@@ -1,5 +1,6 @@
 from app import db
 from app.models.post import Post
+from app.models.attachment import Attachment
 from sqlalchemy.orm import backref
 
 
@@ -54,5 +55,17 @@ class Comment(Post):
         db.session.commit()
         db.session.delete(self)
 
+    def create_attachments(self, multiple_file_field_data):
+        """Create attachements from a form's MultipleFileField.data."""
+        attachments = []
+        for file in multiple_file_field_data:
+            if file.filename != "":
+                a = Attachment(file, self)
+                attachments.append((a, file))
+                db.session.add(a)
+        db.session.commit()
+        for a, file in attachments:
+            a.set_file(file)
+
     def __repr__(self):
         return f'<Comment: #{self.id}>'
diff --git a/app/routes/forum/topic.py b/app/routes/forum/topic.py
index ebb2be7..31a9f5e 100644
--- a/app/routes/forum/topic.py
+++ b/app/routes/forum/topic.py
@@ -46,17 +46,7 @@ def forum_topic(f, page):
         c = Comment(author, form.message.data, t.thread)
         db.session.add(c)
         db.session.commit()
-
-        # Manage files
-        attachments = []
-        for file in form.attachments.data:
-            if file.filename != "":
-                a = Attachment(file, c)
-                attachments.append((a, file))
-                db.session.add(a)
-        db.session.commit()
-        for a, file in attachments:
-            a.set_file(file)
+        c.create_attachments(form.attachments.data)
 
         # Update member's xp and trophies
         if current_user.is_authenticated:
diff --git a/app/routes/programs/program.py b/app/routes/programs/program.py
index f02294c..0229313 100644
--- a/app/routes/programs/program.py
+++ b/app/routes/programs/program.py
@@ -1,4 +1,5 @@
 from app import app, db
+from app.models.user import Guest
 from app.models.program import Program
 from app.models.comment import Comment
 from app.models.thread import Thread
@@ -32,17 +33,7 @@ def program_view(page):
         c = Comment(author, form.message.data, p.thread)
         db.session.add(c)
         db.session.commit()
-
-        # Manage files
-        attachments = []
-        for file in form.attachments.data:
-            if file.filename != "":
-                a = Attachment(file, c)
-                attachments.append((a, file))
-                db.session.add(a)
-        db.session.commit()
-        for a, file in attachments:
-            a.set_file(file)
+        c.create_attachments(form.attachments.data)
 
         # Update member's xp and trophies
         if current_user.is_authenticated: