diff --git a/unpacked/jax/output/HTML-CSS/autoload/menclose.js b/unpacked/jax/output/HTML-CSS/autoload/menclose.js
index 61303bfae..30147538a 100644
--- a/unpacked/jax/output/HTML-CSS/autoload/menclose.js
+++ b/unpacked/jax/output/HTML-CSS/autoload/menclose.js
@@ -39,8 +39,7 @@ MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
       if (values.thickness == null) {values.thickness = ".075em"}
       if (values.padding == null)   {values.padding   = ".2em"}
       span = this.HTMLcreateSpan(span);
-      var mu = this.HTMLgetMu(span);
-      var scale = this.HTMLgetScale();
+      var mu = this.HTMLgetMu(span), scale = this.HTMLgetScale();
       var p = HTMLCSS.length2em(values.padding,mu,1/HTMLCSS.em) * scale;
       var t = HTMLCSS.length2em(values.thickness,mu,1/HTMLCSS.em) * scale;
       var SOLID = HTMLCSS.Em(t)+" solid";
diff --git a/unpacked/jax/output/HTML-CSS/autoload/mmultiscripts.js b/unpacked/jax/output/HTML-CSS/autoload/mmultiscripts.js
index 6078a1957..41c39c3fd 100644
--- a/unpacked/jax/output/HTML-CSS/autoload/mmultiscripts.js
+++ b/unpacked/jax/output/HTML-CSS/autoload/mmultiscripts.js
@@ -45,13 +45,17 @@ MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
       var BOX = this.HTMLgetScripts(stack,s);
       var sub = BOX[0], sup = BOX[1], presub = BOX[2], presup = BOX[3];
 
-      var sscale;
-      if (this.data[1] && this.data[1].type != "mprescripts" &&
-          this.data[1].type != "none") {
-        sscale = this.data[1].HTMLgetScale();
-      } else {
-        sscale = this.HTMLgetScale();
+      // <mmultiscripts> children other than the base can be <none/>,
+      // <mprescripts/>, <mrow></mrow> etc so try to get HTMLgetScale from the
+      // first element with a spanID. See issue 362.
+      var sscale = this.HTMLgetScale();
+      for (var i = 1; i < this.data.length; i++) {
+        if (this.data[i] && this.data[i].spanID) {
+          sscale = this.data[i].HTMLgetScale();
+          break;
+        }
       }
+
       var q = HTMLCSS.TeX.sup_drop * sscale, r = HTMLCSS.TeX.sub_drop * sscale;
       var u = base.bbox.h - q, v = base.bbox.d + r, delta = 0, p;
       if (base.bbox.ic) {delta = base.bbox.ic}