diff --git a/DscResources/MSFT_GroupResource/MSFT_GroupResource.psm1 b/DscResources/MSFT_GroupResource/MSFT_GroupResource.psm1
index 9094505..b0c2bdf 100644
--- a/DscResources/MSFT_GroupResource/MSFT_GroupResource.psm1
+++ b/DscResources/MSFT_GroupResource/MSFT_GroupResource.psm1
@@ -1498,7 +1498,7 @@ function Test-TargetResourceOnNanoServer
 #>
 function Get-MembersOnNanoServer
 {
-    [OutputType([System.Array[]])]
+    [OutputType([System.String[]])]
     [CmdletBinding()]
     param
     (