diff --git a/gamepizero.sh b/gamepizero.sh
index a2f1d2d..bf677a3 100644
--- a/gamepizero.sh
+++ b/gamepizero.sh
@@ -79,6 +79,18 @@ enable_i2c() {
   fi
 }
 
+enable_spi() {
+  log "Prüfe SPI..."
+
+  if raspi-config nonint get_spi | grep -q "0"; then
+    log "SPI ist bereits aktiviert."
+  else
+    log "Aktiviere SPI..."
+    raspi-config nonint do_spi 0
+    REBOOT_REQUIRED=1
+  fi
+}
+
 stop_service_if_exists() {
   if systemctl list-unit-files | grep -q "^${SERVICE_NAME}"; then
     log "Stoppe bestehenden Dienst..."
@@ -159,6 +171,7 @@ log "Aktion: ${ACTION}"
 
 install_dependencies
 enable_i2c
+enable_spi
 
 if [[ "${ACTION}" == "update" ]]; then
   stop_service_if_exists