diff --git a/Parser.js b/Parser.js
index e429135cb..bbdfaf5b7 100644
--- a/Parser.js
+++ b/Parser.js
@@ -200,6 +200,7 @@ var copyFuncs = {
     "textord": [
         "textord",
         "\\$",
+        "\\%",
         "\\angle",
         "\\infty",
         "\\prime",
diff --git a/buildTree.js b/buildTree.js
index b30e5982e..066d4f766 100644
--- a/buildTree.js
+++ b/buildTree.js
@@ -417,6 +417,7 @@ var charLookup = {
     "`": "\u2018",
     "\\ ": "\u00a0",
     "\\$": "$",
+    "\\%": "%",
     "\\angle": "\u2220",
     "\\cdot": "\u22c5",
     "\\circ": "\u2218",