diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2268c3b87..6ff3c96c1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -407,7 +407,7 @@ jobs:
           if [ '${{ secrets.SPARKLE_ED25519_KEY }}' != '' ]; then
             brew install openssl@3
             echo '${{ secrets.SPARKLE_ED25519_KEY }}' > ed25519-priv.pem
-            signature=$(/usr/local/opt/openssl@3/bin/openssl pkeyutl -sign -rawin -in ${{ github.workspace }}/PrismLauncher.tar.gz -inkey ed25519-priv.pem | openssl base64 | tr -d \\n)
+            signature=$(/usr/local/opt/openssl@3/bin/openssl pkeyutl -sign -rawin -in ${{ github.workspace }}/PrismLauncher.zip -inkey ed25519-priv.pem | openssl base64 | tr -d \\n)
             rm ed25519-priv.pem
             cat >> $GITHUB_STEP_SUMMARY << EOF
           ### Artifact Information :information_source: