diff --git a/runtime/queries/rust/highlights.scm b/runtime/queries/rust/highlights.scm
index 7d0afcde59353..81f05f7a3d33a 100644
--- a/runtime/queries/rust/highlights.scm
+++ b/runtime/queries/rust/highlights.scm
@@ -253,6 +253,9 @@
 (function_item
   name: (identifier) @function)
 
+(function_signature_item
+  name: (identifier) @function)
+
 ; ---
 ; Macros
 ; ---