diff --git a/hypha/apply/funds/forms.py b/hypha/apply/funds/forms.py
index 4860661fe601466c37cedb871d714cba8e707f7e..31aece61d6ea4d559dbbd5f51a4fdfe1e2d4733f 100644
--- a/hypha/apply/funds/forms.py
+++ b/hypha/apply/funds/forms.py
@@ -270,7 +270,7 @@ class UpdateReviewersForm(ApplicationSubmissionModelForm):
         role_reviewers = [
             user
             for field, user in self.cleaned_data.items()
-            if field in self.role_fields
+            if field in self.role_fields and user
         ]
 
         for field, role in self.role_fields.items():
@@ -396,7 +396,7 @@ class BatchUpdateReviewersForm(forms.Form):
         role_reviewers = [
             user
             for field, user in self.cleaned_data.items()
-            if field in self.role_fields
+            if field in self.role_fields and user
         ]
 
         # If any of the users match and are set to multiple roles, throw an error