diff --git a/types/office-js-preview/tslint.json b/types/office-js-preview/tslint.json
index a41bf5d19a..86c4ba7acc 100644
--- a/types/office-js-preview/tslint.json
+++ b/types/office-js-preview/tslint.json
@@ -10,6 +10,7 @@
         "dt-header": false,
         "eofline": false,
         "export-just-namespace": false,
+        "file-name-casing": false,
         "import-spacing": false,
         "interface-name": false,
         "interface-over-type-literal": false,