diff --git a/scripts/Measure-CIBenchmark.ps1 b/scripts/Measure-CIBenchmark.ps1
index 2d95084..d51c103 100644
--- a/scripts/Measure-CIBenchmark.ps1
+++ b/scripts/Measure-CIBenchmark.ps1
@@ -239,7 +239,7 @@ for ($i = 1; $i -le $Iterations; $i++) {
         }
     }
 
-    $totalBootSec = if ($t.ip -and $t.ready) {
+    $totalBootSec = if ($null -ne $t.ip -and $null -ne $t.ready) {
         [math]::Round($t.clone + $t.start + $t.ip + $t.ready, 2)
     } else { $null }