diff --git a/unpacked/config/default.js b/unpacked/config/default.js
index 084031af7..ab6869d09 100644
--- a/unpacked/config/default.js
+++ b/unpacked/config/default.js
@@ -174,7 +174,7 @@ MathJax.Hub.Config({
   //  or left (negative is left).
   //  
   displayAlign: "center",
-  displayIndent: "0em",
+  displayIndent: "0",
   
   //
   //  Normally MathJax will perform its starup commands (loading of
diff --git a/unpacked/extensions/TeX/AMSmath.js b/unpacked/extensions/TeX/AMSmath.js
index 9e7fc6d61..cc9d28401 100644
--- a/unpacked/extensions/TeX/AMSmath.js
+++ b/unpacked/extensions/TeX/AMSmath.js
@@ -582,13 +582,13 @@ MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
           };
           if (mml.displayAlign === MML.INDENTALIGN.LEFT) {
             def.width = "100%";
-            if (mml.displayIndent && !String(mml.displayIndent).match(/^0+(\.0*)?($|[a-z%])/)) {
+            if (mml.displayIndent !== "0") {
               def.columnwidth = mml.displayIndent + " fit"; def.columnspacing = "0"
               row = [row[0],MML.mtd(),row[1]];
             }
           } else if (mml.displayAlign === MML.INDENTALIGN.RIGHT) {
             def.width = "100%";
-            if (mml.displayIndent && !String(mml.displayIndent).match(/^0+(\.0*)?($|[a-z%])/)) {
+            if (mml.displayIndent !== "0") {
               def.columnwidth = "fit "+mml.displayIndent; def.columnspacing = "0"
               row[2] = MML.mtd();
             }
diff --git a/unpacked/jax/output/HTML-CSS/autoload/mtable.js b/unpacked/jax/output/HTML-CSS/autoload/mtable.js
index 7183a47c6..06ee73ec4 100644
--- a/unpacked/jax/output/HTML-CSS/autoload/mtable.js
+++ b/unpacked/jax/output/HTML-CSS/autoload/mtable.js
@@ -430,8 +430,8 @@ MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
         var shift = HTMLCSS.length2em(indent.indentshift,mu,HTMLCSS.cwidth);
         var labelshift = HTMLCSS.length2em(values.minlabelspacing,mu,HTMLCSS.cwidth);
         if (this.displayIndent !== "0") {
-          var indent = HTMLCSS.length2em(this.displayIndent,mu,HTMLCSS.cwidth);
-          shift += (indent.indentAlign === MML.INDENTALIGN.RIGHT ? -indent: indent);
+          var dIndent = HTMLCSS.length2em(this.displayIndent,mu,HTMLCSS.cwidth);
+          shift += (indent.indentAlign === MML.INDENTALIGN.RIGHT ? -dIndent: dIndent);
         }
         var eqn = HTMLCSS.createStack(span,false,"100%");
         HTMLCSS.addBox(eqn,stack); HTMLCSS.alignBox(stack,indent.indentalign,0,shift);
diff --git a/unpacked/jax/output/HTML-CSS/jax.js b/unpacked/jax/output/HTML-CSS/jax.js
index f7634e492..8d3099598 100644
--- a/unpacked/jax/output/HTML-CSS/jax.js
+++ b/unpacked/jax/output/HTML-CSS/jax.js
@@ -2838,6 +2838,8 @@
 	  }
 	  MML.mbase.prototype.displayAlign = HUB.config.displayAlign;
 	  MML.mbase.prototype.displayIndent = HUB.config.displayIndent;
+          if (String(HUB.config.displayIndent).match(/^0($|[a-z%])/i))
+            MML.mbase.prototype.displayIndent = "0";
           var html = this.data[0].toHTML(box); html.bbox.exactW = false; // force remeasure just to be sure
 	  math = HTMLCSS.Measured(html,box);
 	}
@@ -2881,10 +2883,10 @@
 	  if (values.indentshiftfirst !== MML.INDENTSHIFT.INDENTSHIFT) {values.indentshift = values.indentshiftfirst}
 	  if (values.indentshift === "auto") {values.indentshift = "0"}
           var shift = HTMLCSS.length2em(values.indentshift,1,HTMLCSS.cwidth);
-          if (this.displayIndent !== "0") {
-            var indent = HTMLCSS.length2em(this.displayIndent,1,HTMLCSS.cwidth);
-            shift += (values.indentalign === MML.INDENTALIGN.RIGHT ? -indent : indent);
-          }
+	  if (this.displayIndent !== "0") {
+	    var indent = HTMLCSS.length2em(this.displayIndent,1,HTMLCSS.cwidth);
+	    shift += (values.indentalign === MML.INDENTALIGN.RIGHT ? -indent : indent);
+	  }
 	  node.style.textAlign = values.indentalign;
           // ### FIXME: make percentage widths respond to changes in container
           if (shift) {
diff --git a/unpacked/jax/output/SVG/autoload/mtable.js b/unpacked/jax/output/SVG/autoload/mtable.js
index 53117be1d..d7b874be8 100644
--- a/unpacked/jax/output/SVG/autoload/mtable.js
+++ b/unpacked/jax/output/SVG/autoload/mtable.js
@@ -333,8 +333,8 @@ MathJax.Hub.Register.StartupHook("SVG Jax Ready",function () {
         var shift = SVG.length2em(indent.indentshift,mu,SVG.cwidth);
         var labelshift = SVG.length2em(values.minlabelspacing,mu,SVG.cwidth);
         if (this.displayIndent !== "0") {
-          var indent = SVG.length2em(this.displayIndent,mu,SVG.cwidth);
-          shift += (indent.indentAlign === MML.INDENTALIGN.RIGHT ? -indent: indent);
+          var dIndent = SVG.length2em(this.displayIndent,mu,SVG.cwidth);
+          shift += (indent.indentAlign === MML.INDENTALIGN.RIGHT ? -dIndent: dIndent);
         }
         var eqn = svg; svg = this.SVG();
         svg.w = svg.r = SVG.cwidth; svg.hasIndent = true;
diff --git a/unpacked/jax/output/SVG/jax.js b/unpacked/jax/output/SVG/jax.js
index 92d00f785..303528eb0 100644
--- a/unpacked/jax/output/SVG/jax.js
+++ b/unpacked/jax/output/SVG/jax.js
@@ -2027,6 +2027,8 @@
           this.SVGgetStyles();
 	  MML.mbase.prototype.displayAlign = HUB.config.displayAlign;
 	  MML.mbase.prototype.displayIndent = HUB.config.displayIndent;
+          if (String(HUB.config.displayIndent).match(/^0($|[a-z%])/i))
+            MML.mbase.prototype.displayIndent = "0";
           //
           //  Put content in a <g> with defaults and matrix that flips y axis.
           //  Put that in an <svg> with xlink defined.