diff --git a/queries/highlights.scm b/queries/highlights.scm
index cb4a85f..44c4ef5 100644
--- a/queries/highlights.scm
+++ b/queries/highlights.scm
@@ -41,6 +41,12 @@
   "type"
   "var"
   "while"
+
+  "_cast"
+  "_chunks"
+  "_exp"
+  "_lvalue"
+  "_namety"
 ] @keyword
 ; }}}
 
diff --git a/test/highlight/meta-variables.tig b/test/highlight/meta-variables.tig
new file mode 100644
index 0000000..5c239cc
--- /dev/null
+++ b/test/highlight/meta-variables.tig
@@ -0,0 +1,13 @@
+let
+  _chunks(42)
+  /* <- keyword */
+
+in
+  _lvalue(12) : _namety(42) := _cast("I'm So Meta Even This Acronym", string);
+  /* <- keyword */
+  /*            ^ keyword */
+  /*                           ^ keyword */
+
+  _exp(42)
+  /* <- keyword */
+end