diff --git a/app/controllers/contestants_controller.rb b/app/controllers/contestants_controller.rb
index 92a86cb..122281a 100644
--- a/app/controllers/contestants_controller.rb
+++ b/app/controllers/contestants_controller.rb
@@ -154,7 +154,7 @@ class ContestantsController < ApplicationController
     @completion.completed = true
     @public = true
 
-    render "completions/_form", locals: { completion: @completion, submit_text: t("helpers.buttons.create"), method: :post, url: "/public/p/#{params[:token]}" }
+    render "completions/_form", locals: { completion: @completion, submit_text: t("helpers.buttons.create"), method: :post, url: "/public/p/#{params[:contestant_id]}" }
   end
 
   def post_public_completion
@@ -176,14 +176,14 @@ class ContestantsController < ApplicationController
     end
     if @completion.save
       extend_completions!(@completion.contestant)
-      redirect_to "/public/p/#{params[:token]}/updated"
+      redirect_to "/public/p/#{params[:contestant_id]}/updated"
     else
       @puzzles = @contest.puzzles
       @public = true
       if to_modify
         @completion.code = nil
       end
-      render "completions/_form", locals: { completion: @completion, submit_text: t("helpers.buttons.create"), method: :post, url: "/public/p/#{params[:token]}" }, status: :unprocessable_entity
+      render "completions/_form", locals: { completion: @completion, submit_text: t("helpers.buttons.create"), method: :post, url: "/public/p/#{params[:contestant_id]}" }, status: :unprocessable_entity
     end
   end