diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index aa20f055..0733b641 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -39,8 +39,8 @@ jobs:
           $pattern = "refs/tags/(.+)"
           if($env:GITHUB_REF -match $pattern) {
             Write-Host "try to download zip archive for version ntt $($matches[1])"
-            hub.exe release download $($matches[1]) -i ntt_Windows_x86_64.zip
-            Expand-Archive -v -Force -d . ntt_Windows_x86_64.zip
+            hub.exe release download $($matches[1]) -i ntt_windows_x86_64.zip
+            Expand-Archive -v -Force -d . ntt_windows_x86_64.zip
           } else {
             Write-Error "error: provided reference does not contain a tag: $env:GITHUB_REF"
           }
diff --git a/.goreleaser.yml b/.goreleaser.yml
index 0ad5f590..c2140d43 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -42,7 +42,7 @@ nfpms:
 archives:
   - name_template:  >-
       {{- .ProjectName }}_
-      {{- title .Os }}_
+      {{- tolower .Os }}_
       {{- if eq .Arch "amd64" }}x86_64
       {{- else if eq .Arch "386" }}i386
       {{- else }}{{ .Arch }}{{ end }}