diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 22c67f9..adca9dc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -52,6 +52,7 @@ jobs:
         mkdir -p compressed_artifacts
         for platform in windows-amd64.exe linux-amd64 linux-arm64 darwin-arm64; do
           # check if windows
+          extension=""
           if [[ $platform == *".exe" ]]; then
             platform=$(echo $platform | sed 's/.exe//g')
             extension=".exe"