diff --git a/.github/workflows/updater.sh b/.github/workflows/updater.sh
index 93c2db1..9b823ba 100755
--- a/.github/workflows/updater.sh
+++ b/.github/workflows/updater.sh
@@ -23,7 +23,7 @@ repo=$(cat manifest.json | jq -j '.upstream.code|split("https://github.com/")[1]
 version=$(curl --silent "https://api.github.com/repos/$repo/releases" | jq -r '.[] | .tag_name' | sort -V | tail -1)
 assets=($(curl --silent "https://api.github.com/repos/$repo/releases" | jq -r '[ .[] | select(.tag_name=="'$version'").assets[].browser_download_url ] | join(" ") | @sh' | tr -d "'"))
 
-if [ ${version:0:1} == "v" || ${version:0:1} == "V" ]; then
+if [[ ${version:0:1} == "v" || ${version:0:1} == "V" ]]; then
     version=${version:1}
 fi