--- a/gfx/webrender_bindings/src/bindings.rs
+++ b/gfx/webrender_bindings/src/bindings.rs
@@ -1437,17 +1437,17 @@ pub extern "C" fn wr_dp_push_text(state:
     state.frame_builder
          .dl_builder
          .push_text(bounds.into(),
                     clip.into(),
                     &glyph_vector,
                     font_key,
                     colorf,
                     Au::from_f32_px(glyph_size),
-                    Au::from_px(0),
+                    0.0,
                     glyph_options);
 }
 
 #[no_mangle]
 pub extern "C" fn wr_dp_push_border(state: &mut WrState,
                                     rect: WrRect,
                                     clip: WrClipRegionToken,
                                     widths: WrBorderWidths,