diff --git a/arch-installpi-spectre_os.sh b/arch-installpi-spectre_os.sh
index 7018d6e..be936e9 100755
--- a/arch-installpi-spectre_os.sh
+++ b/arch-installpi-spectre_os.sh
@@ -91,4 +91,6 @@ mv root/boot/* boot
 
 umount boot root
 
+sync
+
 echo "Fertig!!!"
diff --git a/make_spectre_os-pi.sh b/make_spectre_os-pi.sh
index f394a9b..7fc5383 100755
--- a/make_spectre_os-pi.sh
+++ b/make_spectre_os-pi.sh
@@ -40,5 +40,10 @@ cd root/
 mkdir -p ../${out_dir}/
 tar -Ipixz -cpf ../${out_dir}/arch-${name}-$(date "+%y.%m.%d")-${arch}.tar.pxz *
 cd ..
+
+umount boot root
+
+sync
+
 echo "FERTIG!!!"
 exit 0