diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa8d0848f6..4a374b0602 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 ### Bug Fixes
 
 - **autoupdate:** Allow checksum file that contains whitespaces ([#4619](https://github.com/ScoopInstaller/Scoop/issues/4619))
+- **autoupdate:** Rename $response to $res ([#4706](https://github.com/ScoopInstaller/Scoop/issues/4706))
 - **config:** Allow scoop config use Unicode characters ([#4631](https://github.com/ScoopInstaller/Scoop/issues/4631))
 - **current:** Remove 'current' while it's not a junction ([#4687](https://github.com/ScoopInstaller/Scoop/issues/4687))
 - **depends:** Prevent error on no URL ([#4595](https://github.com/ScoopInstaller/Scoop/issues/4595))
diff --git a/lib/autoupdate.ps1 b/lib/autoupdate.ps1
index ac31a812ac..5d1b531c9e 100644
--- a/lib/autoupdate.ps1
+++ b/lib/autoupdate.ps1
@@ -152,7 +152,7 @@ function find_hash_in_headers([String] $url) {
         $req.Timeout = 2000
         $req.Method = 'HEAD'
         $res = $req.GetResponse()
-        if(([int]$response.StatusCode -ge 300) -and ([int]$response.StatusCode -lt 400)) {
+        if(([int]$res.StatusCode -ge 300) -and ([int]$res.StatusCode -lt 400)) {
             if($res.Headers['Digest'] -match 'SHA-256=([^,]+)' -or $res.Headers['Digest'] -match 'SHA=([^,]+)' -or $res.Headers['Digest'] -match 'MD5=([^,]+)') {
                 $hash = ([System.Convert]::FromBase64String($matches[1]) | ForEach-Object { $_.ToString('x2') }) -join ''
                 debug $hash