diff --git a/app/controllers/officing/voters_controller.rb b/app/controllers/officing/voters_controller.rb
index de321b96b..f1c042770 100644
--- a/app/controllers/officing/voters_controller.rb
+++ b/app/controllers/officing/voters_controller.rb
@@ -13,16 +13,19 @@ class Officing::VotersController < Officing::BaseController
   def create
     @poll = Poll.find(voter_params[:poll_id])
     @user = User.find(voter_params[:user_id])
-    @voter = Poll::Voter.new(document_type: @user.document_type,
-                             document_number: @user.document_number,
-                             user: @user,
-                             poll: @poll,
-                             origin: "booth",
-                             officer: current_user.poll_officer,
-                             booth_assignment: current_booth.booth_assignments.find_by(poll: @poll),
-                             officer_assignment: officer_assignment(@poll))
 
-    @user.with_lock { @voter.save! }
+    @user.with_lock do
+      @voter = Poll::Voter.new(document_type: @user.document_type,
+                               document_number: @user.document_number,
+                               user: @user,
+                               poll: @poll,
+                               origin: "booth",
+                               officer: current_user.poll_officer,
+                               booth_assignment: current_booth.booth_assignments.find_by(poll: @poll),
+                               officer_assignment: officer_assignment(@poll))
+
+      @voter.save!
+    end
   end
 
   private
diff --git a/spec/controllers/officing/voters_controller_spec.rb b/spec/controllers/officing/voters_controller_spec.rb
index e1a611755..33906db84 100644
--- a/spec/controllers/officing/voters_controller_spec.rb
+++ b/spec/controllers/officing/voters_controller_spec.rb
@@ -15,7 +15,7 @@ describe Officing::VotersController do
             voter: { poll_id: poll.id, user_id: user.id },
             format: :js
           }
-        rescue ActionDispatch::IllegalStateError
+        rescue ActionDispatch::IllegalStateError, ActiveRecord::RecordInvalid
         end
       end.each(&:join)