diff --git a/app/models/form/sales/questions/previous_postcode.rb b/app/models/form/sales/questions/previous_postcode.rb
index 039450102..103a68ab6 100644
--- a/app/models/form/sales/questions/previous_postcode.rb
+++ b/app/models/form/sales/questions/previous_postcode.rb
@@ -6,12 +6,12 @@ class Form::Sales::Questions::PreviousPostcode < ::Form::Question
     @header = "Postcode"
     @type = "text"
     @width = 5
-    @inferred_check_answers_value = {
+    @inferred_check_answers_value = [{
       "condition" => {
         "ppcodenk" => 1,
       },
       "value" => "Not known",
-    }
+    }]
     @inferred_answers = {
       "prevloc" => {
         "is_previous_la_inferred" => true,
diff --git a/app/models/form/sales/questions/prevloc.rb b/app/models/form/sales/questions/prevloc.rb
index 53f5e5090..49a69ad39 100644
--- a/app/models/form/sales/questions/prevloc.rb
+++ b/app/models/form/sales/questions/prevloc.rb
@@ -6,12 +6,12 @@ class Form::Sales::Questions::Prevloc < ::Form::Question
     @header = "Select a local authority"
     @type = "select"
     @answer_options = ANSWER_OPTIONS
-    @inferred_check_answers_value = {
+    @inferred_check_answers_value = [{
       "condition" => {
         "previous_la_known" => 0,
       },
       "value" => "Not known",
-    }
+    }]
   end
 
   ANSWER_OPTIONS = {
diff --git a/spec/models/form/sales/questions/previous_postcode_spec.rb b/spec/models/form/sales/questions/previous_postcode_spec.rb
index eb55b7cf1..a452d9efa 100644
--- a/spec/models/form/sales/questions/previous_postcode_spec.rb
+++ b/spec/models/form/sales/questions/previous_postcode_spec.rb
@@ -48,11 +48,11 @@ RSpec.describe Form::Sales::Questions::PreviousPostcode, type: :model do
   end
 
   it "has the correct inferred_check_answers_value" do
-    expect(question.inferred_check_answers_value).to eq({
+    expect(question.inferred_check_answers_value).to eq([{
       "condition" => {
         "ppcodenk" => 1,
       },
       "value" => "Not known",
-    })
+    }])
   end
 end
diff --git a/spec/models/form/sales/questions/prevloc_spec.rb b/spec/models/form/sales/questions/prevloc_spec.rb
index 5ebb29b7a..5d985ba64 100644
--- a/spec/models/form/sales/questions/prevloc_spec.rb
+++ b/spec/models/form/sales/questions/prevloc_spec.rb
@@ -422,12 +422,12 @@ RSpec.describe Form::Sales::Questions::Prevloc, type: :model do
 
   it "has the correct inferred_check_answers_value" do
     expect(question.inferred_check_answers_value).to eq(
-      {
+      [{
         "condition" => {
           "previous_la_known" => 0,
         },
         "value" => "Not known",
-      },
+      }],
     )
   end
 end