diff --git a/lib/stylesheet/importer.rb b/lib/stylesheet/importer.rb
index 2a09b4d192d..2966b7843cc 100644
--- a/lib/stylesheet/importer.rb
+++ b/lib/stylesheet/importer.rb
@@ -192,7 +192,7 @@ module Stylesheet
     end
 
     def category_css(category)
-      "body.category-#{category.full_slug} { background-image: url(#{upload_cdn_path(category.uploaded_background.url)}) }\n"
+      "body.category-#{category.slug}, body.category-#{category.full_slug} { background-image: url(#{upload_cdn_path(category.uploaded_background.url)}) }\n"
     end
 
     def to_scss_variable(name, value)
diff --git a/spec/components/stylesheet/importer_spec.rb b/spec/components/stylesheet/importer_spec.rb
index 21c70032fcd..6e653e8eb42 100644
--- a/spec/components/stylesheet/importer_spec.rb
+++ b/spec/components/stylesheet/importer_spec.rb
@@ -15,10 +15,10 @@ describe Stylesheet::Importer do
     background = Fabricate(:upload)
     category = Fabricate(:category, uploaded_background: background)
 
-    expect(compile_css("category_backgrounds")).to include("body.category-#{category.full_slug}{background-image:url(#{background.url})}")
+    expect(compile_css("category_backgrounds")).to include("body.category-#{category.slug},body.category-#{category.full_slug}{background-image:url(#{background.url})}")
 
     GlobalSetting.stubs(:cdn_url).returns("//awesome.cdn")
-    expect(compile_css("category_backgrounds")).to include("body.category-#{category.full_slug}{background-image:url(//awesome.cdn#{background.url})}")
+    expect(compile_css("category_backgrounds")).to include("body.category-#{category.slug},body.category-#{category.full_slug}{background-image:url(//awesome.cdn#{background.url})}")
   end
 
   it "applies S3 CDN to background category images" do