diff --git a/samples/manage/azure-sql-db-managed-instance/prepare-subnet/prepareSubnet.ps1 b/samples/manage/azure-sql-db-managed-instance/prepare-subnet/prepareSubnet.ps1
index ca22525f..24c78d5f 100644
--- a/samples/manage/azure-sql-db-managed-instance/prepare-subnet/prepareSubnet.ps1
+++ b/samples/manage/azure-sql-db-managed-instance/prepare-subnet/prepareSubnet.ps1
@@ -12,9 +12,9 @@ function Ensure-Login ()
     If($context.Subscription -eq $null)
     {
         Write-Host "Loging in ..."
-        If((Login-AzureRmAccount -ErrorAction SilentlyContinue) -eq $null)
+        If((Login-AzureRmAccount -ErrorAction SilentlyContinue -ErrorVariable $error) -eq $null)
         {
-            Write-Host "Login failed: $_" -ForegroundColor Red
+            Write-Host "Login failed: $error" -ForegroundColor Red
             Exit
         }
     }