diff --git a/core/themes/bartik/bartik.info.yml b/core/themes/bartik/bartik.info.yml
index e0a26f7..cb1bcb1 100644
--- a/core/themes/bartik/bartik.info.yml
+++ b/core/themes/bartik/bartik.info.yml
@@ -6,7 +6,7 @@ package: Core
 version: VERSION
 core: 8.x
 libraries:
-  - bartik/global_styling
+  - bartik/global-styling
 ckeditor_stylesheets:
   - css/ckeditor-iframe.css
 regions:
diff --git a/core/themes/bartik/bartik.libraries.yml b/core/themes/bartik/bartik.libraries.yml
index 04276cb..5d36744 100644
--- a/core/themes/bartik/bartik.libraries.yml
+++ b/core/themes/bartik/bartik.libraries.yml
@@ -1,4 +1,4 @@
-global_styling:
+global-styling:
   version: VERSION
   css:
     theme: