diff --git a/queries/verilog/highlights.scm b/queries/verilog/highlights.scm
index 71eb06a16..c5b21d8bc 100644
--- a/queries/verilog/highlights.scm
+++ b/queries/verilog/highlights.scm
@@ -576,6 +576,7 @@ c_name: (c_identifier) @function
   "directive_undef"
   "directive_undefineall"
   "directive_ifdef"
+  "directive_ifndef"
   "directive_elsif"
   "directive_endif"
   "directive_else"