diff --git a/lib/utils.js b/lib/utils.js
index 3def329a..2c1b5ffc 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -124,8 +124,8 @@ export function calculateWaitedOnTime (messageQueue, startedTime) {
     messageQueue.toArray().forEach(function (msg) {
       if (msg._waitEventId) {
         waitedOnTime += now - msg._waitEventId.at;
-        if(msg._waitEventId.at < startedTime) {
-          waitedOnTime -= startedTime - msg._waitEventId.at
+        if (msg._waitEventId.at < startedTime) {
+          waitedOnTime -= startedTime - msg._waitEventId.at;
         }
       }
     });
diff --git a/tests/models/methods.js b/tests/models/methods.js
index c6173350..e86b2dd5 100644
--- a/tests/models/methods.js
+++ b/tests/models/methods.js
@@ -221,7 +221,7 @@ Tinytest.addAsync('Models - Method - Waited On - track waitedOn without wait tim
     console.log('slow method end');
   });
   let unblockedMethod = RegisterMethod(function () {
-    this.unblock()
+    this.unblock();
     Meteor._sleepForMs(100);
     console.log('slow method end');
   });
diff --git a/tests/models/pubsub.js b/tests/models/pubsub.js
index 5466748c..54a0e6f7 100644
--- a/tests/models/pubsub.js
+++ b/tests/models/pubsub.js
@@ -780,7 +780,7 @@ Tinytest.addAsync('Models - PubSub - Waited On - track wait time of queued messa
 });
 
 Meteor.publish('tinytest-unblock-fast', function () {
-  console.log('unblock-fast-pub')
+  console.log('unblock-fast-pub');
   this.unblock();
   Meteor._sleepForMs(100);
   this.ready();