diff --git a/module/Entra/Microsoft.Entra/CertificateBasedAuthentication/Get-EntraUserCertificateUserIdsFromCertificate.ps1 b/module/Entra/Microsoft.Entra/CertificateBasedAuthentication/Get-EntraUserCertificateUserIdsFromCertificate.ps1
index ce02216db1..d9033eec78 100644
--- a/module/Entra/Microsoft.Entra/CertificateBasedAuthentication/Get-EntraUserCertificateUserIdsFromCertificate.ps1
+++ b/module/Entra/Microsoft.Entra/CertificateBasedAuthentication/Get-EntraUserCertificateUserIdsFromCertificate.ps1
@@ -65,7 +65,6 @@ function Get-EntraUserCertificateUserIdsFromCertificate {
             return ""
         }
 
-        [System.Array]::Reverse($littleEndianSerialNumber)
         $hexString = -join ($littleEndianSerialNumber | ForEach-Object { $_.ToString("x2") })
         return $hexString
     }
@@ -177,4 +176,4 @@ function Get-EntraUserCertificateUserIdsFromCertificate {
 
     # Call main function
     return Main
-}
\ No newline at end of file
+}