diff --git a/src/Kernel/client/kernel.ts b/src/Kernel/client/kernel.ts
index c9d1b9dd38..2bca79ba35 100644
--- a/src/Kernel/client/kernel.ts
+++ b/src/Kernel/client/kernel.ts
@@ -67,7 +67,7 @@ function defineQSharpMode() {
         {
             // built-in magic commands
             token: "builtin",
-            regex: String.raw`(%(config|estimate|lsmagic|package|performance|simulate|toffoli|version|who|workspace))\b`,
+            regex: String.raw`(%(config|estimate|lsmagic|lsopen|package|performance|simulate|toffoli|trace|version|who|workspace))\b`,
             beginWord: true,
         },
         {