diff --git a/__tests__/ImportExcelTests/ImportExcelTiming.tests.ps1 b/__tests__/ImportExcelTests/ImportExcelTiming.tests.ps1
index 4739c70..cf7d1f7 100644
--- a/__tests__/ImportExcelTests/ImportExcelTiming.tests.ps1
+++ b/__tests__/ImportExcelTests/ImportExcelTiming.tests.ps1
@@ -3,9 +3,10 @@ Import-Module $PSScriptRoot\..\..\ImportExcel.psd1 -Force
 Describe "Tests Import-Excel Timings" -Tag Timing {
     It "Should read the 20k xlsx in -le 2100 milliseconds" {
         $timer = Measure-Command {
-            $null = Import-Excel $PSScriptRoot\Rows20k.xlsx
+            $data = Import-Excel $PSScriptRoot\TimingRows20k.xlsx
         }
 
         $timer.TotalMilliseconds | Should -BeLessOrEqual 2100        
+        $data.Count | Should -Be 19999
     }
 }
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