diff --git a/app/views/management/users/_about_user.html.slim b/app/views/management/users/_about_user.html.slim
index d7596e8..2bc8704 100644
--- a/app/views/management/users/_about_user.html.slim
+++ b/app/views/management/users/_about_user.html.slim
@@ -6,7 +6,7 @@
         h4.modal-title = t(:more_about_user, user: @user.speaker_profile.name)
       .modal-body
         .center
-          = image_tag @user.speaker_profile.picture.url, class: "profile-image"
+          = image_tag @user.speaker_profile.picture.medium.url, class: "profile-image"
           h3.media-heading
             = @user.speaker_profile.name
           - if @user.speaker_profile.organisation.present?