diff --git a/tools/qvcpkg-hash.ps1 b/tools/qvcpkg-hash.ps1
index 99df07564..998dfeb12 100644
--- a/tools/qvcpkg-hash.ps1
+++ b/tools/qvcpkg-hash.ps1
@@ -2,20 +2,20 @@
 
 [CmdletBinding(DefaultParameterSetName = 'Ref')]
 Param(
-    [Parameter(Position = 1, ParameterSetName = 'Branch', ValueFromPipeline,
+    [Parameter(Position = 0, ParameterSetName = 'Branch', ValueFromPipeline,
         ValueFromPipelineByPropertyName,
         HelpMessage = 'Specifies a branch for which to download the package archive (works with ' +
             'a commit ID too).')]
     [ValidateNotNullOrEmpty()]
     [string] $Branch = 'main',
 
-    [Parameter(Position = 1, Mandatory, ParameterSetName = 'Tag', ValueFromPipeline,
+    [Parameter(Position = 0, Mandatory, ParameterSetName = 'Tag', ValueFromPipeline,
         ValueFromPipelineByPropertyName,
         HelpMessage = 'Specifies a tag for which to download the package archive.')]
     [ValidateNotNullOrEmpty()]
     [string] $Tag,
 
-    [Parameter(Position = 1, Mandatory, ParameterSetName = 'Commit', ValueFromPipeline,
+    [Parameter(Position = 0, Mandatory, ParameterSetName = 'Commit', ValueFromPipeline,
         ValueFromPipelineByPropertyName,
         HelpMessage = 'Specifies a commit ID for which to download the package archive.')]
     [ValidateNotNullOrEmpty()]
@@ -24,7 +24,7 @@ Param(
             'The argument "{0}" does not match the "{1}" pattern.')]
     [string] $Commit,
 
-    [Parameter(Position = 1, Mandatory, ParameterSetName = 'Ref', ValueFromPipeline,
+    [Parameter(Position = 0, Mandatory, ParameterSetName = 'Ref', ValueFromPipeline,
         ValueFromPipelineByPropertyName,
         HelpMessage = 'Specifies a git object, it can be the tag, commit ID, or branch.')]
     [ValidateNotNullOrEmpty()]