diff --git a/installer.ps1 b/installer.ps1
index 9dac2e2..003df79 100644
--- a/installer.ps1
+++ b/installer.ps1
@@ -61,7 +61,9 @@ if (!(Test-Path -Path "$env:SYSTEMDRIVE\svrjs\svrjs")) {
 }
 
 # Download SVR.JS zip archive
+$manuallyInstalled = $False
 if ($installType -eq "manual") {
+  $manuallyInstalled = $True
   $svrjsZipArchive = Read-Host "Path to SVR.JS zip archive"
 } elseif ($INSTALLTYPE -eq "stable") {
   $svrjsVersion = (Invoke-RestMethod -Uri "https://downloads.svrjs.org/latest.svrjs").Trim()
@@ -127,7 +129,9 @@ Remove-Item -Path $nodejsZipArchive
 # Extract SVR.JS files
 Write-Host "Extracting SVR.JS files..."
 Expand-Archive -Path $svrjsZipArchive -DestinationPath "$env:SYSTEMDRIVE\svrjs\svrjs" -Force
-Remove-Item -Path $svrjsZipArchive
+if (!($manuallyInstalled)) {
+  Remove-Item -Path $svrjsZipArchive
+}
 if (Test-Path -Path "$env:SYSTEMDRIVE\svrjs\svrjs\svr.compressed" -PathType "Leaf") {
   Push-Location
   Set-Location -Path "$env:SYSTEMDRIVE\svrjs\svrjs"