diff --git a/gui/hsm.go b/gui/hsm.go
index 4e3e799..acc1f3f 100644
--- a/gui/hsm.go
+++ b/gui/hsm.go
@@ -1,3 +1,5 @@
+//go:build amd64
+
 package main
 
 import (
diff --git a/gui/hsm_arm64.go b/gui/hsm_arm64.go
new file mode 100644
index 0000000..5494159
--- /dev/null
+++ b/gui/hsm_arm64.go
@@ -0,0 +1,34 @@
+//go:build arm64
+
+package main
+
+import "crypto"
+
+const CERT_FILES_PATH = "/opt/boulder/labca/certs/webpki/"
+
+type HSMConfig struct {
+	Module  string
+	UserPIN string
+	SOPIN   string
+	SlotID  string
+	Label   string
+}
+
+func (cfg *HSMConfig) Initialize(ca_type string, seqnr string) {
+}
+
+func (cfg *HSMConfig) CreateSlot() error {
+	return nil
+}
+
+func (cfg *HSMConfig) GetPrivateKey() ([]byte, error) {
+	return nil, nil
+}
+
+func (cfg *HSMConfig) ClearAll() error {
+	return nil
+}
+
+func (cfg *HSMConfig) ImportKeyCert(keyFile, certFile string) (crypto.PublicKey, error) {
+	return nil, nil
+}