diff --git a/Winget-AutoUpdate-Install.ps1 b/Winget-AutoUpdate-Install.ps1
index 3f7b02e..e1a3ee2 100644
--- a/Winget-AutoUpdate-Install.ps1
+++ b/Winget-AutoUpdate-Install.ps1
@@ -343,7 +343,12 @@ function Install-WingetAutoUpdate {
         New-ItemProperty $regPath -Name Publisher -Value "Romanitho" -Force | Out-Null
         New-ItemProperty $regPath -Name URLInfoAbout -Value "https://github.com/Romanitho/Winget-AutoUpdate" -Force | Out-Null
         New-ItemProperty $regPath -Name WAU_NotificationLevel -Value $NotificationLevel -Force | Out-Null
-        New-ItemProperty $regPath -Name WAU_UpdatePrerelease -Value 0 -PropertyType DWord -Force | Out-Null
+        if ($WAUVersion -match "-"){
+            New-ItemProperty $regPath -Name WAU_UpdatePrerelease -Value 1 -PropertyType DWord -Force | Out-Null
+        }
+        else {
+            New-ItemProperty $regPath -Name WAU_UpdatePrerelease -Value 0 -PropertyType DWord -Force | Out-Null
+        }
         New-ItemProperty $regPath -Name WAU_PostUpdateActions -Value 0 -PropertyType DWord -Force | Out-Null
         New-ItemProperty $regPath -Name WAU_MaxLogFiles -Value $MaxLogFiles -PropertyType DWord -Force | Out-Null
         New-ItemProperty $regPath -Name WAU_MaxLogSize -Value $MaxLogSize -PropertyType DWord -Force | Out-Null