diff --git a/runtime/queries/lua/highlights.scm b/runtime/queries/lua/highlights.scm
index 6e33a955..0bfdda4e 100644
--- a/runtime/queries/lua/highlights.scm
+++ b/runtime/queries/lua/highlights.scm
@@ -76,6 +76,8 @@
 (unary_expression
   operator: _ @operator)
 
+"=" @operator
+
 [
   "and"
   "not"