diff --git a/app/controllers/recommended_posts_controller.rb b/app/controllers/recommended_posts_controller.rb
index 8695ab6aa..5bcb41f12 100644
--- a/app/controllers/recommended_posts_controller.rb
+++ b/app/controllers/recommended_posts_controller.rb
@@ -14,7 +14,7 @@ private
 
   def load_posts
     if params[:context] == "post"
-      @posts = RecommenderService.recommend(post_id: params[:post_id])
+      @posts = RecommenderService.recommend(post_id: params[:post_id].to_i)
 
     elsif params[:context] == "user"
       @posts = RecommenderService.recommend(user_id: CurrentUser.id)