diff --git a/unpacked/jax/output/HTML-CSS/jax.js b/unpacked/jax/output/HTML-CSS/jax.js
index a749a0ec4..d6b7df544 100644
--- a/unpacked/jax/output/HTML-CSS/jax.js
+++ b/unpacked/jax/output/HTML-CSS/jax.js
@@ -2344,9 +2344,9 @@
 	  HTMLCSS.placeBox(box,x,y); x /= this.mscale; y /= this.mscale;
 	  span.bbox = {
 	    h: box.bbox.h, d: box.bbox.d, w: box.bbox.w, exactW: true,
-	    lw: Math.min(0,box.bbox.lw+x), rw: Math.max(box.bbox.w,box.bbox.rw+x),
-	    H: Math.max((box.bbox.H == null ? -HTMLCSS.BIGDIMEN : box.bbox.H),box.bbox.h+y),
-	    D: Math.max((box.bbox.D == null ? -HTMLCSS.BIGDIMEN : box.bbox.D),box.bbox.d-y)
+            lw: box.bbox.lw+x, rw: box.bbox.rw+x,
+            H: Math.max((box.bbox.H == null ? -HTMLCSS.BIGDIMEN : box.bbox.H+y),box.bbox.h+y),
+            D: Math.max((box.bbox.D == null ? -HTMLCSS.BIGDIMEN : box.bbox.D-y),box.bbox.d-y)
 	  };
 	  if (values.height !== "") {span.bbox.h = this.HTMLlength2em(box,values.height,mu,"h",0)}
 	  if (values.depth  !== "") {span.bbox.d = this.HTMLlength2em(box,values.depth,mu,"d",0)}