diff --git a/app/assets/stylesheets/components/settings.css b/app/assets/stylesheets/components/settings.css
index f6ac449..f544ebf 100644
--- a/app/assets/stylesheets/components/settings.css
+++ b/app/assets/stylesheets/components/settings.css
@@ -22,6 +22,22 @@
   color: var(--color-text-primary);
 }
 
+.settings-page .settings-hint {
+  margin-bottom: var(--spacing-4);
+  color: var(--color-text-secondary);
+  font-size: var(--font-size-sm);
+}
+
+.settings-page fieldset[disabled] {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+
+.settings-page fieldset[disabled] input,
+.settings-page fieldset[disabled] button {
+  cursor: not-allowed;
+}
+
 .settings-warning {
   margin-bottom: var(--spacing-4);
   color: var(--color-warning-text);
diff --git a/app/controllers/settings/teams_controller.rb b/app/controllers/settings/teams_controller.rb
index 992f8f0..3c619ef 100644
--- a/app/controllers/settings/teams_controller.rb
+++ b/app/controllers/settings/teams_controller.rb
@@ -15,7 +15,7 @@ def index
     def show
       @team_members = @team.team_members.includes(:user)
       @can_manage = user_signed_in? && @team.admin?(current_user)
-      @can_invite = user_signed_in? && (@team.member?(current_user) || @team.admin?(current_user))
+      @can_invite = user_signed_in? && @team.admin?(current_user)
     end
 
     def create
diff --git a/app/views/settings/teams/show.html.slim b/app/views/settings/teams/show.html.slim
index d444954..0d6cf0d 100644
--- a/app/views/settings/teams/show.html.slim
+++ b/app/views/settings/teams/show.html.slim
@@ -21,10 +21,12 @@
     - else
       p No members yet.
 
-  - if @can_invite
-    .invite-section
-      h2 Add member
-      = form_with url: settings_team_team_members_path(@team), method: :post, local: true do |f|
+  .invite-section
+    h2 Add member
+    - unless @can_invite
+      p.settings-hint Only team admins can add members.
+    = form_with url: settings_team_team_members_path(@team), method: :post, local: true do |f|
+      fieldset disabled=(!@can_invite)
         .form-group
           = label_tag :username, "Username"
           = text_field_tag :username, nil, required: true, placeholder: "existing_username"