diff --git a/src/index.js b/src/index.js
index 3432c27..19878ed 100644
--- a/src/index.js
+++ b/src/index.js
@@ -52,6 +52,7 @@ module.exports = {
   },
 
   postTest: function() {
+    let addFailure = this.addFailure;
     let config = this.config;
 
     if (!this.enabled) {
@@ -66,6 +67,10 @@ module.exports = {
           return;
         }
 
+        if (config.failOnMessage) {
+          addFailure('Unexpected console messages were logged.');
+        }
+
         printHeader.call(config);
 
         _(result)