diff --git a/components/style/gecko/rules.rs b/components/style/gecko/rules.rs
index 20d438d213d3..790124c5f50c 100644
--- a/components/style/gecko/rules.rs
+++ b/components/style/gecko/rules.rs
@@ -33,9 +33,9 @@ impl<'a> ToNsCssValue for &'a FontWeight {
     fn convert(self, nscssvalue: &mut nsCSSValue) {
         match *self {
             FontWeight::Normal =>
-                nscssvalue.set_enum(structs::NS_STYLE_FONT_WEIGHT_NORMAL as i32),
+                nscssvalue.set_enum(structs::NS_FONT_WEIGHT_NORMAL as i32),
             FontWeight::Bold =>
-                nscssvalue.set_enum(structs::NS_STYLE_FONT_WEIGHT_BOLD as i32),
+                nscssvalue.set_enum(structs::NS_FONT_WEIGHT_BOLD as i32),
             FontWeight::Weight(weight) => nscssvalue.set_integer(weight.0 as i32),
         }
     }
diff --git a/ports/geckolib/glue.rs b/ports/geckolib/glue.rs
index 7db1872f487e..655965fcaa30 100644
--- a/ports/geckolib/glue.rs
+++ b/ports/geckolib/glue.rs
@@ -5330,8 +5330,8 @@ pub extern "C" fn Servo_ParseFontShorthandForMatching(
     });
     match font.font_weight {
         FontWeight::Weight(w) => weight.set_from(w),
-        FontWeight::Normal => weight.set_enum(structs::NS_STYLE_FONT_WEIGHT_NORMAL as i32),
-        FontWeight::Bold => weight.set_enum(structs::NS_STYLE_FONT_WEIGHT_BOLD as i32),
+        FontWeight::Normal => weight.set_enum(structs::NS_FONT_WEIGHT_NORMAL as i32),
+        FontWeight::Bold => weight.set_enum(structs::NS_FONT_WEIGHT_BOLD as i32),
         // Resolve relative font weights against the initial of font-weight
         // (normal, which is equivalent to 400).
         FontWeight::Bolder => weight.set_enum(structs::NS_FONT_WEIGHT_BOLD as i32),