diff --git a/anatomy/views.py b/anatomy/views.py
index a114b26d..78ee22b8 100644
--- a/anatomy/views.py
+++ b/anatomy/views.py
@@ -341,7 +341,7 @@ def mark(request, exam_pk, sk, unmarked_exam_answers_only=True, review=False):
         if form.is_valid():
             # If skip button is pressed skip the question without marking
             if "skip" in request.POST:
-                return redirect("anatomy:mark", exam_pk=exam_pk, sk=n + 1)
+                return redirect(mark_url, exam_pk=exam_pk, sk=n + 1)
 
             cd = form.cleaned_data
 
@@ -374,9 +374,9 @@ def mark(request, exam_pk, sk, unmarked_exam_answers_only=True, review=False):
                     a.save()
 
             if "next" in request.POST:
-                return redirect(mark_url, pk=exam_pk, sk=n + 1)
+                return redirect(mark_url, exam_pk=exam_pk, sk=n + 1)
             elif "previous" in request.POST:
-                return redirect(mark_url, pk=exam_pk, sk=n - 1)
+                return redirect(mark_url, exam_pk=exam_pk, sk=n - 1)
 
             # Reset user answers (relies on the functional javascript)
             unmarked_user_answers = set()