diff --git a/Public/New-IntuneWin32AppRequirementRuleScript.ps1 b/Public/New-IntuneWin32AppRequirementRuleScript.ps1
index 6d1581d..3dd426a 100644
--- a/Public/New-IntuneWin32AppRequirementRuleScript.ps1
+++ b/Public/New-IntuneWin32AppRequirementRuleScript.ps1
@@ -232,6 +232,9 @@ function New-IntuneWin32AppRequirementRuleScript {
 
             # Convert script file contents to base64 string
             $ScriptContent = [System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes((Get-Content -Path "$($ScriptFile)" -Raw -Encoding UTF8)))
+            # Get-Content -Raw will remove BOM UTF8 char, adding the Base64 version of that
+            # Scripts in powershell 5.1 written in UTF8 need the BOM char
+            $ScriptContent = "77u/" + $ScriptContent
 
             switch ($PSCmdlet.ParameterSetName) {
                 "String" {
@@ -330,4 +333,4 @@ function New-IntuneWin32AppRequirementRuleScript {
         # Handle return value with constructed requirement rule for file
         return $RequirementRuleScript
     }
-}
\ No newline at end of file
+}