diff --git a/release.sh b/release.sh
index b96ec1c..2ceda46 100755
--- a/release.sh
+++ b/release.sh
@@ -23,7 +23,7 @@ RELEASE_ASSET_NAME=${BINARY_NAME}-${RELEASE_TAG}-${INPUT_GOOS}-${INPUT_GOARCH}
 if [ ! -z "${INPUT_GOAMD64}" ]; then
   RELEASE_ASSET_NAME=${BINARY_NAME}-${RELEASE_TAG}-${INPUT_GOOS}-${INPUT_GOARCH}-${INPUT_GOAMD64}
 fi
-if [ ! -z "${INPUT_GOARM}" ] && [[ "${INPUT_GOARCH}" =~ arm ]]; then
+if [ ! -z "${INPUT_GOARM}" ] && [[ "${INPUT_GOARCH}" == 'arm' ]]; then
   RELEASE_ASSET_NAME=${BINARY_NAME}-${RELEASE_TAG}-${INPUT_GOOS}-${INPUT_GOARCH}v${INPUT_GOARM}
 fi
 if [ ! -z "${INPUT_ASSET_NAME}" ]; then