diff --git a/packages/marko/tags-html.d.ts b/packages/marko/tags-html.d.ts
index 4d5c442c5..ea2fe2f2c 100644
--- a/packages/marko/tags-html.d.ts
+++ b/packages/marko/tags-html.d.ts
@@ -125,7 +125,9 @@ declare global {
     }
 
     namespace CSS {
-      export interface Properties extends csstype.PropertiesHyphen {}
+      export interface Properties
+        extends csstype.PropertiesHyphen,
+          csstype.Properties {}
     }
 
     namespace HTML {