diff --git a/katex-convert-unicode.rkt b/katex-convert-unicode.rkt
index 4b7630731..11f606c9a 100644
--- a/katex-convert-unicode.rkt
+++ b/katex-convert-unicode.rkt
@@ -107,6 +107,8 @@
       [″ "{}''"]
       [‴ "{}'''"]
       [⁗ "{}''''"]
+      [∪ "\\cup"]
+      [∩ "\\cap"]
       [⋃ "\\bigcup{}"]
       [⋂ "\\bigcap{}"]
       [⋀ "\\bigwedge{}"]