diff --git a/Private/Invoke-AzureStorageBlobUploadFinalize.ps1 b/Private/Invoke-AzureStorageBlobUploadFinalize.ps1
index 13d47ba..d76e3f3 100644
--- a/Private/Invoke-AzureStorageBlobUploadFinalize.ps1
+++ b/Private/Invoke-AzureStorageBlobUploadFinalize.ps1
@@ -7,17 +7,18 @@ function Invoke-AzureStorageBlobUploadFinalize {
         Finalize upload of chunks of the .intunewin file into Azure Storage blob container.
 
         This is a modified function that was originally developed by Dave Falkus and is available here:
-        https://github.com/microsoftgraph/powershell-intune-samples/blob/master/LOB_Application/Win32_Application_Add.ps1        
+        https://github.com/microsoftgraph/powershell-intune-samples/blob/master/LOB_Application/Win32_Application_Add.ps1
 
     .NOTES
         Author:      Nickolaj Andersen
         Contact:     @NickolajA
         Created:     2020-01-04
-        Updated:     2020-01-04
+        Updated:     2024-05-29
 
         Version history:
         1.0.0 - (2020-01-04) Function created
-    #>    
+        1.0.1 - (2024-05-29) Added content-type header to the REST request to ensure correct handling of the request body (thanks to @tjgruber)
+    #>
     param(
         [parameter(Mandatory = $true)]
         [ValidateNotNullOrEmpty()]
@@ -27,17 +28,25 @@ function Invoke-AzureStorageBlobUploadFinalize {
         [ValidateNotNullOrEmpty()]
         [System.Object]$ChunkID
     )
+
     $Uri = "$($StorageUri)&comp=blocklist"
-	$XML = '<?xml version="1.0" encoding="utf-8"?><BlockList>'
-	foreach ($Chunk in $ChunkID) {
-		$XML += "<Latest>$($Chunk)</Latest>"
-	}
-	$XML += '</BlockList>'
-
-	try {
-		$WebResponse = Invoke-RestMethod -Uri $Uri -Method "Put" -Body $XML -ErrorAction Stop
-	}
-	catch {
-		Write-Warning -Message "Failed to finalize Azure Storage blob upload. Error message: $($_.Exception.Message)"
-	}
-}
\ No newline at end of file
+
+    $XML = '<?xml version="1.0" encoding="utf-8"?><BlockList>'
+
+    foreach ($Chunk in $ChunkID) {
+        $XML += "<Latest>$($Chunk)</Latest>"
+    }
+
+    $XML += '</BlockList>'
+
+    $Headers = @{
+        "content-type" = "text/plain; charset=UTF-8"
+    }
+
+    try {
+        $WebResponse = Invoke-RestMethod -Uri $Uri -Method "Put" -Body $XML -Headers $Headers -ErrorAction Stop
+    }
+    catch {
+        Write-Warning -Message "Failed to finalize Azure Storage blob upload. Error message: $($_.Exception.Message)"
+    }
+}