diff --git a/queries/inko/highlights.scm b/queries/inko/highlights.scm
index eff00fc02..589d746ce 100644
--- a/queries/inko/highlights.scm
+++ b/queries/inko/highlights.scm
@@ -141,6 +141,8 @@
 
 (constant_pattern) @constant
 
+(boolean_pattern) @boolean
+
 ; Types
 (generic_type
   name: _ @type)