diff --git a/lib/rule-tester/rule-tester.js b/lib/rule-tester/rule-tester.js
index 97b9d2e940e..acfaf18325f 100644
--- a/lib/rule-tester/rule-tester.js
+++ b/lib/rule-tester/rule-tester.js
@@ -141,6 +141,7 @@ const friendlyErrorObjectParameterList = `[${[...errorObjectParameters].map(key
 const suggestionObjectParameters = new Set([
     "desc",
     "messageId",
+    "data",
     "output"
 ]);
 const friendlySuggestionObjectParameterList = `[${[...suggestionObjectParameters].map(key => `'${key}'`).join(", ")}]`;