diff --git a/Dockerfile.marketplace b/Dockerfile.marketplace
index aa4c24f13..b0a36a317 100644
--- a/Dockerfile.marketplace
+++ b/Dockerfile.marketplace
@@ -1,5 +1,9 @@
-FROM golang:1.25.9-alpine AS build
+# Build on the native host arch (BUILDPLATFORM) and cross-compile the Go binary
+# to TARGETARCH. CGO is disabled below, so this needs no cross toolchain and
+# avoids slow QEMU emulation. buildx injects BUILDPLATFORM/TARGETARCH.
+FROM --platform=$BUILDPLATFORM golang:1.25.9-alpine AS build
 
+ARG TARGETARCH
 ARG RELEASE_VERSION=2025-10-15T17-29-55Z
 ARG COMMIT_ID=9e49d5e7a648f00e26f2246f4dc28e6b07f8c84a
 ARG SHORT_COMMIT_ID=9e49d5e7a648
@@ -20,7 +24,7 @@ RUN set -eux; \
     ldflags="${ldflags} -X github.com/minio/minio/cmd.ShortCommitID=${SHORT_COMMIT_ID}"; \
     ldflags="${ldflags} -X github.com/minio/minio/cmd.GOPATH=/go"; \
     ldflags="${ldflags} -X github.com/minio/minio/cmd.GOROOT=/usr/local/go"; \
-    GOOS=linux GOARCH=amd64 go build -tags kqueue -trimpath --ldflags "${ldflags}" -o /out/minio .
+    GOOS=linux GOARCH=${TARGETARCH} go build -tags kqueue -trimpath --ldflags "${ldflags}" -o /out/minio .
 
 FROM alpine:3.23