diff --git a/lib/rules/no-unsupported-features.js b/lib/rules/no-unsupported-features.js
index 989ada24..6188bfc7 100644
--- a/lib/rules/no-unsupported-features.js
+++ b/lib/rules/no-unsupported-features.js
@@ -104,7 +104,7 @@ function getDefaultVersion(filename) {
     const info = getPackageJson(filename)
     const nodeVersion = info && info.engines && info.engines.node
 
-    return nodeVersion ? semver.validRange(nodeVersion) : null
+    return semver.validRange(nodeVersion) || DEFAULT_VERSION
 }
 
 /**
@@ -147,7 +147,7 @@ function isIgnored(key, ignores) {
  * @returns {object} Parsed value.
  */
 function parseOptions(options, defaultVersion) {
-    let version = defaultVersion ? null : DEFAULT_VERSION
+    let version = null
     let range = null
     let ignores = []