diff --git a/lib/expression/node/Node.js b/lib/expression/node/Node.js
index 9f1d5d4f6..5f596fac2 100644
--- a/lib/expression/node/Node.js
+++ b/lib/expression/node/Node.js
@@ -232,6 +232,11 @@ Node.prototype.toString = function() {
  */
 Node.prototype.toTex = function(customFunctions) {
   var customTex;
+  if (this.type === 'ArrayNode') {
+    //FIXME this is only a workaround for a breaking change,
+    //remove this in version2
+    delete this.latexType;
+  }
   if (typeof customFunctions === 'object') {
     //if customFunctions is a map of callback functions
     if (customFunctions.hasOwnProperty(this.type)) {
diff --git a/lib/util/latex.js b/lib/util/latex.js
index a16683370..ed6afd33d 100644
--- a/lib/util/latex.js
+++ b/lib/util/latex.js
@@ -468,7 +468,9 @@ exports.toArgs = function(that, customFunctions) {
       if (that.args[0] instanceof ArrayNode) {
         //FIXME passing 'vmatrix' like that is really ugly
         that.args[0].latexType = 'vmatrix';
-        return that.args[0].toTex(customFunctions);
+        var latex = that.args[0].toTex(customFunctions);
+        delete that.args[0].latexType;
+        return latex;
       }
 
       brace = 'vmatrix';