diff --git a/components/style/gecko/media_queries.rs b/components/style/gecko/media_queries.rs
index c5a5c5723af..d937b67dfe1 100644
--- a/components/style/gecko/media_queries.rs
+++ b/components/style/gecko/media_queries.rs
@@ -511,24 +511,24 @@ impl Device {
 
     /// Returns the current effective text zoom.
     #[inline]
-    fn effective_text_zoom(&self) -> f32 {
+    fn text_zoom(&self) -> f32 {
         let pc = match self.pres_context() {
             Some(pc) => pc,
             None => return 1.,
         };
-        pc.mEffectiveTextZoom
+        pc.mTextZoom
     }
 
     /// Applies text zoom to a font-size or line-height value (see nsStyleFont::ZoomText).
     #[inline]
     pub fn zoom_text(&self, size: Length) -> Length {
-        size.scale_by(self.effective_text_zoom())
+        size.scale_by(self.text_zoom())
     }
 
     /// Un-apply text zoom.
     #[inline]
     pub fn unzoom_text(&self, size: Length) -> Length {
-        size.scale_by(1. / self.effective_text_zoom())
+        size.scale_by(1. / self.text_zoom())
     }
 
     /// Returns safe area insets