diff --git a/tslint.json b/tslint.json
index c03188cfb4..4ab4a14b28 100644
--- a/tslint.json
+++ b/tslint.json
@@ -1,6 +1,6 @@
 {
     "rules": {
-        "no-unused-expression-chai": true,
+        "tslint-no-unused-expression-chai": true,
         "no-unused-variable": true,
         "no-duplicate-variable": true,
         "no-var-keyword": true,