diff --git a/app/models/reports/home_office.rb b/app/models/reports/home_office.rb
index 8a581657..b8aad595 100644
--- a/app/models/reports/home_office.rb
+++ b/app/models/reports/home_office.rb
@@ -34,6 +34,7 @@ def rows
           nil,
           nil,
           nil,
+          nil,
         ]
       end
     end
@@ -61,6 +62,7 @@ def header
         "Nationality",
         "Place of Birth",
         "Passport Number",
+        "National Insurance Number",
         "Address",
         "Postcode",
         "Email",
diff --git a/spec/models/reports/home_office_spec.rb b/spec/models/reports/home_office_spec.rb
index 01475058..2d413db2 100644
--- a/spec/models/reports/home_office_spec.rb
+++ b/spec/models/reports/home_office_spec.rb
@@ -64,6 +64,7 @@ module Reports
           nil,
           nil,
           nil,
+          nil,
         ].join(","))
       end
 
@@ -76,6 +77,7 @@ module Reports
           "Nationality",
           "Place of Birth",
           "Passport Number",
+          "National Insurance Number",
           "Address",
           "Postcode",
           "Email",