diff --git a/app/controllers/debates_controller.rb b/app/controllers/debates_controller.rb
index 618152fab..0d3276b1d 100644
--- a/app/controllers/debates_controller.rb
+++ b/app/controllers/debates_controller.rb
@@ -85,7 +85,7 @@ class DebatesController < ApplicationController
 
     def parse_tag_filter
       if params[:tag].present?
-        @tag_filter = params[:tag] if ActsAsTaggableOn::Tag.where(name: params[:tag]).exists?
+        @tag_filter = params[:tag] if ActsAsTaggableOn::Tag.where("LOWER(tags.name) = ?", params[:tag].downcase).exists?
       end
     end
 
diff --git a/spec/features/tags_spec.rb b/spec/features/tags_spec.rb
index 1b47f87a1..232c220c0 100644
--- a/spec/features/tags_spec.rb
+++ b/spec/features/tags_spec.rb
@@ -19,12 +19,22 @@ feature 'Tags' do
 
   scenario 'Filtered' do
     debate1 = create(:debate, tag_list: 'Salud')
-    debate2 = create(:debate, tag_list: 'Salud')
+    debate2 = create(:debate, tag_list: 'salud')
     debate3 = create(:debate, tag_list: 'Hacienda')
     debate4 = create(:debate, tag_list: 'Hacienda')
 
     visit debates_path
-    first(:link, "Salud").click
+    first(:link, 'Salud').click
+
+    within("#debates") do
+      expect(page).to have_css('.debate', count: 2)
+      expect(page).to have_content(debate1.title)
+      expect(page).to have_content(debate2.title)
+      expect(page).to_not have_content(debate3.title)
+      expect(page).to_not have_content(debate4.title)
+    end
+
+    visit debates_path(tag: 'salud')
 
     within("#debates") do
       expect(page).to have_css('.debate', count: 2)