diff --git a/symbols.js b/symbols.js
index fd65d71e4..64a93ce26 100644
--- a/symbols.js
+++ b/symbols.js
@@ -29,6 +29,11 @@ var symbols = {
             group: "textord",
             replace: "%"
         },
+        "\\_": {
+            font: "main",
+            group: "textord",
+            replace: "_"
+        },
         "\\angle": {
             font: "main",
             group: "textord",