diff --git a/Parser.js b/Parser.js
index af24b26..e429135 100644
--- a/Parser.js
+++ b/Parser.js
@@ -203,6 +203,7 @@ var copyFuncs = {
         "\\angle",
         "\\infty",
         "\\prime",
+        "\\triangle",
         "\\Gamma",
         "\\Delta",
         "\\Theta",
diff --git a/buildTree.js b/buildTree.js
index dec2fe6..b30e598 100644
--- a/buildTree.js
+++ b/buildTree.js
@@ -438,6 +438,7 @@ var charLookup = {
     "\\space": "\u00a0",
     "\\times": "\u00d7",
     "\\to": "\u2192",
+    "\\triangle": "\u25b3",
 
     "\\alpha": "\u03b1",
     "\\beta": "\u03b2",