diff --git a/carfield.mk b/carfield.mk
index 166afc4a..4ddab08f 100644
--- a/carfield.mk
+++ b/carfield.mk
@@ -167,7 +167,7 @@ SAFED_SW_BUILD := safed-sw-build
 SAFED_SW_INIT := safed-sw-init
 endif
 
-ifeq ($(shell echo $(SAFED_PRESENT)), 1)
+ifeq ($(shell echo $(SPATZD_PRESENT)), 1)
 SPATZD_HW_INIT := spatzd-hw-init
 endif
 
diff --git a/env/env-iis.sh b/env/env-iis.sh
index 61f20426..d0e5afea 100644
--- a/env/env-iis.sh
+++ b/env/env-iis.sh
@@ -7,7 +7,7 @@
 export PULPD_PRESENT=1
 export SAFED_PRESENT=0
 export SECURED_PRESENT=1
-export SPATZD_PRESENT=0
+export SPATZD_PRESENT=1
 
 # set up environment variables for rtl simulation
 ROOTD=$(cd "$(dirname "${BASH_SOURCE[0]:-$0}")/.." && pwd)