diff --git a/spec/models/lettings_log_spec.rb b/spec/models/lettings_log_spec.rb
index 12fee80b4..be6e82d32 100644
--- a/spec/models/lettings_log_spec.rb
+++ b/spec/models/lettings_log_spec.rb
@@ -671,7 +671,7 @@ RSpec.describe LettingsLog do
             Timecop.freeze(startdate)
             Singleton.__init__(FormHandler)
             lettings_log.update_columns( # We can't call `.update!` as validations prevent this invalid state from being persisted.
-              startdate,
+              startdate:,
               postcode_full: "BB2 2BB",
             )
             lettings_log.reload