diff --git a/mathjax-convert-unicode.rkt b/mathjax-convert-unicode.rkt
index 9bf854902..e9d9bfde0 100644
--- a/mathjax-convert-unicode.rkt
+++ b/mathjax-convert-unicode.rkt
@@ -18,5 +18,6 @@
       [❲ "\\ifmathjax{\\unicode{x2772}}\\iflatex{❲}"]
       [❳ "\\ifmathjax{\\unicode{x2773}}\\iflatex{❳}"]
       [φ "\\phi"]
+      [▷ "\\triangleright"]
       ))
   (katex-convert-unicode str* mathmode? more-sym→*))
\ No newline at end of file