diff --git a/lib/cli.js b/lib/cli.js
index f616e8c..1a76635 100755
--- a/lib/cli.js
+++ b/lib/cli.js
@@ -69,7 +69,7 @@ async function start() {
   for (let [name, suite] of timeMap) {
     //The value of suite.tests is not what we expect.
     const nbTests = suite.passes + suite.pending + suite.failures;
-    totalDuration += suite.duration;
+    totalDuration = Math.max(totalDuration, suite.duration);
     totalTests += nbTests;
     totalPasses += suite.passes;
     totalPending += suite.pending;