diff --git a/build.sh b/build.sh
index 12ae576..8660d81 100755
--- a/build.sh
+++ b/build.sh
@@ -3,7 +3,7 @@
 ARCH=()
 VERSION_ARG=()
 VERSION=""
-REGISTRY=""
+REGISTRY="registry.koszewscy.waw.pl"
 AZURITE_IMAGE="${AZURITE_IMAGE:-azurite:latest}"
 
 while [[ $# -gt 0 ]]; do
@@ -34,6 +34,10 @@ while [[ $# -gt 0 ]]; do
     esac
 done
 
+if [[ ${#ARCH[@]} -eq 0 ]]; then
+    ARCH=("--arch" "arm64" "--arch" "amd64")
+fi
+
 if [[ ! -z "$REGISTRY" ]]; then
     # Prepend the registry to the image name for tagging.
     AZURITE_IMAGE="$REGISTRY/${AZURITE_IMAGE#*/}"