1 files changed, 1 insertions, 0 deletions

diff --git a/editors/code/src/highlighting.ts b/editors/code/src/highlighting.ts
index 52a0bd4bb..f3ed66365 100644
--- a/editors/code/src/highlighting.ts
+++ b/editors/code/src/highlighting.ts
@@ -56,6 +56,7 @@ export class Highlighter {
             colorContrib('literal'),
             colorContrib('macro'),
             colorContrib('variable'),
+            colorContrib('variable.mut'),
             colorContrib('field'),
             colorContrib('module')
         ];