diff --git a/src/html.js b/src/html.js
index 1c885e3..60584d0 100644
--- a/src/html.js
+++ b/src/html.js
@@ -32,7 +32,7 @@ const escapeFunction = (string) => {
         break;
     }
 
-    start = i + 1;
+    start = escapeRegExp.lastIndex;
   } while (escapeRegExp.test(string));
 
   return escaped + string.slice(start);