diff --git a/components/style/properties/gecko.mako.rs b/components/style/properties/gecko.mako.rs
index 19a5fb99e8d..53d0baf9aba 100644
--- a/components/style/properties/gecko.mako.rs
+++ b/components/style/properties/gecko.mako.rs
@@ -5643,7 +5643,7 @@ clip-path
         use values::specified::Attr;
 
         if self.gecko.mContents.is_empty() {
-            return Content::Normal;
+            return Content::None;
         }
 
         if self.gecko.mContents.len() == 1 &&