diff --git a/components/style/properties/longhands/inherited_text.mako.rs b/components/style/properties/longhands/inherited_text.mako.rs
index 6587627a58f..8e9e5340420 100644
--- a/components/style/properties/longhands/inherited_text.mako.rs
+++ b/components/style/properties/longhands/inherited_text.mako.rs
@@ -352,7 +352,7 @@ ${helpers.single_keyword(
     "text-combine-upright",
     "none all",
     engines="gecko",
-    animation_value_type="discrete",
+    animation_value_type="none",
     spec="https://drafts.csswg.org/css-writing-modes-3/#text-combine-upright",
 )}