diff --git a/lib/reporter.js b/lib/reporter.js
index 1da4869..46bdeb7 100644
--- a/lib/reporter.js
+++ b/lib/reporter.js
@@ -152,9 +152,11 @@ class JsonReporter extends events.EventEmitter {
 
         for (const json of resultJsons) {
             resultSet.suites.push.apply(resultSet.suites, json.suites);
-            resultSet.state.passed += json.state.passed
-            resultSet.state.skipped += json.state.skipped
-            resultSet.state.failed += json.state.failed
+            if (json.state) {
+                resultSet.state.passed += json.state.passed
+                resultSet.state.skipped += json.state.skipped
+                resultSet.state.failed += json.state.failed
+            }
         }
 
         this.write (resultSet, resultJsons[0].capabilities.browserName)
diff --git a/package.json b/package.json
index a0ceb8d..0ac283e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wdio-json-reporter",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "A WebdriverIO plugin. Report results in json format.",
   "main": "build/reporter.js",
   "scripts": {