diff --git a/index.js b/index.js
index 29699fb..1c52c15 100644
--- a/index.js
+++ b/index.js
@@ -28,7 +28,7 @@ CompactToStylishStream.prototype._flush = function (cb) {
   var output = processResults(jsonResults)
   this.push(output)
 
-  this.exitCode = output === '' ? 0 : -1
+  this.exitCode = output === '' ? 0 : 1
   cb(null)
 }