diff --git a/src/ruleLoader.ts b/src/ruleLoader.ts
index ee45cfebad8..ccd3d3b78cf 100644
--- a/src/ruleLoader.ts
+++ b/src/ruleLoader.ts
@@ -76,7 +76,8 @@ export function loadRules(ruleOptionsList: IOptions[],
         showWarningOnce(warning);
     }
     if (rules.length === 0) {
-        showWarningOnce("No valid rules have been specified");
+        const fileType = isJs ? "JavaScript" : "TypeScript";
+        showWarningOnce(`No valid rules have been specified for ${fileType} files`);
     }
     return rules;
 }