diff --git a/lib/commands/exam.js b/lib/commands/exam.js
index 9a05b804c..0748056d6 100644
--- a/lib/commands/exam.js
+++ b/lib/commands/exam.js
@@ -309,23 +309,23 @@ module.exports = TestCommand.extend({
       const launcherId = this.launcher.id;
       if (!failed && commands.get('loadBalance')) {
         const browserId = getBrowserId(this.launcher);
-        log.info(
-          `Browser ${browserId} exiting. [ # of modules in current module queue ${
-            testemEvents.stateManager.getTestModuleQueue().length
-          } ]`
-        );
+        const moduleQueue = testemEvents.stateManager.getTestModuleQueue();
+        const noModuleQueue = 'testModuleQueue is not set.';
+        const numQueues =
+          moduleQueue !== null
+            ? `[ # of modules in current module queue ${moduleQueue.length} ]`
+            : `[ ${noModuleQueue} ]`;
+        log.info(`Browser ${browserId} exiting. ${numQueues}`);
         // if getBrowserId cannot get the browserId
         // but the test queue is not empty, report the number of test modules left in the queue
         // otherwise, fail because testModuleQueue was not set
         if (browserId === 0) {
-          if (testemEvents.stateManager.getTestModuleQueue() !== null) {
+          if (moduleQueue !== null) {
             ui.writeLine(
-              `[ # of modules in current module queue ${
-                testemEvents.stateManager.getTestModuleQueue().length
-              } ]`
+              `[ # of modules in current module queue ${moduleQueue.length} ]`
             );
           } else {
-            throw new Error('testModuleQueue is not set.');
+            throw new Error(noModuleQueue);
           }
         }
       }