diff --git a/lib/cli.js b/lib/cli.js
index 78f8df5888..8aa69ea6b1 100644
--- a/lib/cli.js
+++ b/lib/cli.js
@@ -335,7 +335,8 @@ const meowOptions /*: meowOptionsType*/ = {
       type: "boolean"
     },
     "report-needless-disables": {
-      alias: "rd"
+      alias: "rd",
+      type: "boolean"
     },
     "max-warnings": {
       alias: "mw"