diff --git a/packages/office-ui-fabric-react-tslint/tslint.json b/packages/office-ui-fabric-react-tslint/tslint.json
index 495fcbff25dbd1..1ce8cc1f7b45d4 100644
--- a/packages/office-ui-fabric-react-tslint/tslint.json
+++ b/packages/office-ui-fabric-react-tslint/tslint.json
@@ -20,6 +20,7 @@
     ],
     "prefer-const": false,
     "quotemark": [
+      true,
       "single"
     ],
     "no-inferrable-types": [