diff --git a/UnitTests/ImportExcelTests/Simple.tests.ps1 b/UnitTests/ImportExcelTests/Simple.tests.ps1
index 55cdbdb..9360d38 100644
--- a/UnitTests/ImportExcelTests/Simple.tests.ps1
+++ b/UnitTests/ImportExcelTests/Simple.tests.ps1
@@ -5,7 +5,7 @@ Describe "test" {
         ((Get-Command export-excel -ErrorAction SilentlyContinue) -eq $null) | Should Be $false
     }
 
-    It '$PSScriptRoot\Simple.xlsx should exist' {
+    It "$PSScriptRoot\Simple.xlsx should exist" {
         Test-Path $PSScriptRoot\Simple.xlsx | Should Be $true
     }
 }