diff --git a/update.sh b/update.sh
index ac1f0ef..a4fbb16 100755
--- a/update.sh
+++ b/update.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-if [ $# -eq 0 ] ; then
+if [ $# -eq 0 ]; then
 	echo "Usage: ./update.sh v#.#.#"
 	exit
 fi
@@ -15,18 +15,18 @@ ID=$(docker create sfs-builder)
 
 rm -rf out
 mkdir -p out
-docker cp $ID:/build/pkg/linux-amd64/serve ./out/static-file-server-$VERSION-linux-amd64
-docker cp $ID:/build/pkg/linux-i386/serve ./out/static-file-server-$VERSION-linux-386
-docker cp $ID:/build/pkg/linux-arm6/serve ./out/static-file-server-$VERSION-linux-arm6
-docker cp $ID:/build/pkg/linux-arm7/serve ./out/static-file-server-$VERSION-linux-arm7
-docker cp $ID:/build/pkg/linux-arm64/serve ./out/static-file-server-$VERSION-linux-arm64
-docker cp $ID:/build/pkg/darwin-amd64/serve ./out/static-file-server-$VERSION-darwin-amd64
-docker cp $ID:/build/pkg/win-amd64/serve.exe ./out/static-file-server-$VERSION-windows-amd64.exe
-
-docker rm -f $ID
+docker cp "${ID}:/build/pkg/linux-amd64/serve" "./out/static-file-server-${VERSION}-linux-amd64"
+docker cp "${ID}:/build/pkg/linux-i386/serve" "./out/static-file-server-${VERSION}-linux-386"
+docker cp "${ID}:/build/pkg/linux-arm6/serve" "./out/static-file-server-${VERSION}-linux-arm6"
+docker cp "${ID}:/build/pkg/linux-arm7/serve" "./out/static-file-server-${VERSION}-linux-arm7"
+docker cp "${ID}:/build/pkg/linux-arm64/serve" "./out/static-file-server-${VERSION}-linux-arm64"
+docker cp "${ID}:/build/pkg/darwin-amd64/serve" "./out/static-file-server-${VERSION}-darwin-amd64"
+docker cp "${ID}:/build/pkg/win-amd64/serve.exe" "./out/static-file-server-${VERSION}-windows-amd64.exe"
+
+docker rm -f "${ID}"
 docker rmi sfs-builder
 
-docker buildx build --push --platform linux/arm/v7,linux/arm64/v8,linux/amd64 --tag halverneus/static-file-server:$VERSION .
+docker buildx build --push --platform linux/arm/v7,linux/arm64/v8,linux/amd64 --tag "halverneus/static-file-server:${VERSION}" .
 docker buildx build --push --platform linux/arm/v7,linux/arm64/v8,linux/amd64 --tag halverneus/static-file-server:latest .
 
-echo "Done"
\ No newline at end of file
+echo "Done"