diff --git a/app/components/work_packages/activities_tab/journals/item_component/add_reactions.html.erb b/app/components/work_packages/activities_tab/journals/item_component/add_reactions.html.erb
index 2a062625fc6f..c19ccd4bb1aa 100644
--- a/app/components/work_packages/activities_tab/journals/item_component/add_reactions.html.erb
+++ b/app/components/work_packages/activities_tab/journals/item_component/add_reactions.html.erb
@@ -25,7 +25,7 @@
                         tag: :a,
                         href: toggle_reaction_work_package_activity_path(journal.journable.id, id: journal.id, reaction:),
                         data: { "turbo-stream": true, "turbo-method": :put },
-                        "aria-label": I18n.t("reactions.react_with", reaction: reaction.tr("_", ""))
+                        "aria-label": I18n.t("reactions.react_with", reaction: reaction.to_s.humanize(capitalize: false))
                       )) do
                   emoji
                 end
diff --git a/app/components/work_packages/activities_tab/journals/item_component/reactions.rb b/app/components/work_packages/activities_tab/journals/item_component/reactions.rb
index a7fbee62fb15..a6c083b82b33 100644
--- a/app/components/work_packages/activities_tab/journals/item_component/reactions.rb
+++ b/app/components/work_packages/activities_tab/journals/item_component/reactions.rb
@@ -62,7 +62,8 @@ def reacted_by_current_user?(users)
 
         # ARIA-label, show names and emoji type: "{Name of reaction} by {user A}, {user B} and {user C}".
         def aria_label_text(reaction, users)
-          "#{I18n.t('reactions.reaction_by', reaction: reaction.to_s.tr('_', ' '))} #{number_of_user_reactions_text(users)}"
+          "#{I18n.t('reactions.reaction_by',
+                    reaction: reaction.to_s.humanize(capitalize: false))} #{number_of_user_reactions_text(users)}"
         end
 
         # Visually, show just names: "{user A}, {user B} and {user C}"