diff --git a/Dockerfile b/Dockerfile
index 90c79d8..2f5e06a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM golang:1.20.5-buster as go
 ENV GO111MODULE=on
 ENV CGO_ENABLED=0
 ENV GOBIN=/bin
-ARG BUILDARCH
+ARG BUILDARCH=amd64
 RUN go install github.com/go-delve/delve/cmd/dlv@v1.8.2
 ADD https://github.com/spiffe/spire/releases/download/v1.8.0/spire-1.8.0-linux-${BUILDARCH}-musl.tar.gz .
 RUN tar xzvf spire-1.8.0-linux-${BUILDARCH}-musl.tar.gz -C /bin --strip=2 spire-1.8.0/bin/spire-server spire-1.8.0/bin/spire-agent