diff --git a/HISTORY.rst b/HISTORY.rst
index 761d2b13d..4e4f9938a 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -11,6 +11,7 @@ End-User Summary
 
 - Fixing bug in XLSX export (#417)
 - Fixing problem with multi-sample queries (#419)
+- Fixing issue with cohort queries (#420)
 
 Full Change List
 ================
@@ -23,6 +24,7 @@ Full Change List
 - Fixing problem with multi-sample queries (#419).
   This is done by rolling back adding the ``_ClosingWrapper`` class.
   We will need a different approach for the queries than was previously attempted here.
+- Fixing issue with cohort queries (#420)
 
 ------
 v1.1.1
diff --git a/variants/submit_filter.py b/variants/submit_filter.py
index fc50faf9f..9f7d694c6 100644
--- a/variants/submit_filter.py
+++ b/variants/submit_filter.py
@@ -146,10 +146,7 @@ class ProjectCasesFilter(FilterBase):
     def _get_genomebuild(self):
         if self.job.cohort:
             cases = [
-                case
-                for case in self.project_or_cohort.get_accessible_cases_for_user(
-                    self.job.bg_job.user
-                )
+                case for case in self.job.cohort.get_accessible_cases_for_user(self.job.bg_job.user)
             ]
         else:
             cases = [case for case in self.variant_query.project.case_set.all()]