diff --git a/app/controllers/api/products_controller.rb b/app/controllers/api/products_controller.rb
index 987a8da1af..3509d33bfd 100644
--- a/app/controllers/api/products_controller.rb
+++ b/app/controllers/api/products_controller.rb
@@ -63,7 +63,7 @@ module Api
       @products = product_query.
         ransack(query_params_with_defaults).
         result.
-        page(params[:page] || DEFAULT_PAGE).
+        page(params[:page] || 1).
         per(params[:per_page] || DEFAULT_PER_PAGE)
 
       render_paged_products @products
diff --git a/app/controllers/concerns/pagination_data.rb b/app/controllers/concerns/pagination_data.rb
index ec133465cd..9bbcf5eb2c 100644
--- a/app/controllers/concerns/pagination_data.rb
+++ b/app/controllers/concerns/pagination_data.rb
@@ -16,11 +16,9 @@ module PaginationData
     params[:page].present? || params[:per_page].present?
   end
 
-  private
-
   def default_per_page
-    return unless defined? DEFAULT_PER_PAGE
+    return unless defined? self.class::DEFAULT_PER_PAGE
 
-    DEFAULT_PER_PAGE
+    self.class::DEFAULT_PER_PAGE
   end
 end