diff --git a/app/helpers/moods_helper.rb b/app/helpers/moods_helper.rb
index f676d1d..0c04021 100644
--- a/app/helpers/moods_helper.rb
+++ b/app/helpers/moods_helper.rb
@@ -1,6 +1,6 @@
 module MoodsHelper
-  def mode_for(mood)
-    if params[:guess] == "active"
+  def mode_for(mood, user)
+    if user.guess?
       mood[:mode] || mood[:guess] || "unknown"
     else
       mood[:mode] || "unknown"
diff --git a/app/views/moods/index.html.erb b/app/views/moods/index.html.erb
index db55032..0bfb4e2 100644
--- a/app/views/moods/index.html.erb
+++ b/app/views/moods/index.html.erb
@@ -48,7 +48,7 @@
                 <% month[:weeks].each do |week| %>
                   <div class="is-flex is-flex-direction-column is-flex-wrap-wrap mb-3">
                     <% week.each do |mood| %>
-                      <% mode = mode_for(mood) %>
+                      <% mode = mode_for(mood, Current.user) %>
                       <div data-image="<%= asset_path(mode + ".jpg") %>" data-mode="<%= mode %>" data-day="<%= l mood[:recorded_at].to_date %>" data-action="click->mood#updateDayInfo" title="<%= l(mood[:recorded_at].to_date) %> : <%= mode %>" class="day <%= mode %>"></div>
                     <% end %>
                   </div>
diff --git a/db/migrate/20260226101258_add_guess_to_users.rb b/db/migrate/20260226101258_add_guess_to_users.rb
new file mode 100644
index 0000000..038ae1c
--- /dev/null
+++ b/db/migrate/20260226101258_add_guess_to_users.rb
@@ -0,0 +1,5 @@
+class AddGuessToUsers < ActiveRecord::Migration[8.0]
+  def change
+    add_column :users, :guess, :boolean, default: false
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 3922a6e..db0c294 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2026_02_19_114040) do
+ActiveRecord::Schema[8.0].define(version: 2026_02_26_101258) do
   create_table "moods", force: :cascade do |t|
     t.string "mode"
     t.datetime "recorded_at"
@@ -48,6 +48,7 @@ ActiveRecord::Schema[8.0].define(version: 2026_02_19_114040) do
     t.datetime "invitation_accepted_at"
     t.string "username", null: false
     t.boolean "public", default: false
+    t.boolean "guess", default: false
     t.index ["email_address"], name: "index_users_on_email_address", unique: true
   end