diff --git a/app/forms/user_invitation.rb b/app/forms/user_invitation.rb
index db7fba54d4..f1da146f6e 100644
--- a/app/forms/user_invitation.rb
+++ b/app/forms/user_invitation.rb
@@ -19,7 +19,10 @@ class UserInvitation
 
     user = find_or_create_user!
     enterprise.users << user
-    EnterpriseMailer.manager_invitation(enterprise, user).deliver_later
+
+    if user.previously_new_record?
+      EnterpriseMailer.manager_invitation(enterprise, user).deliver_later
+    end
   end
 
   private
diff --git a/spec/forms/user_invitation_spec.rb b/spec/forms/user_invitation_spec.rb
index 71d69c60a2..856f675790 100644
--- a/spec/forms/user_invitation_spec.rb
+++ b/spec/forms/user_invitation_spec.rb
@@ -53,13 +53,11 @@ RSpec.describe UserInvitation do
   end
 
   context "inviting a existing user who isn't a user on the enterprise" do
-    it "adds the user to the enterprise and sends them an invitation email" do
+    it "adds the user to the enterprise" do
       existing_user = create(:user)
-      user_invitation = UserInvitation.new(defaults.merge(email: existing_user.email))
 
-      expect do
-        user_invitation.save!
-      end.to have_enqueued_mail(EnterpriseMailer, :manager_invitation)
+      user_invitation = UserInvitation.new(defaults.merge(email: existing_user.email))
+      user_invitation.save!
 
       expect(enterprise.users).to include(existing_user)
     end