diff --git a/modules.d/90dmsquash-live/checkisomd5@.service b/modules.d/90dmsquash-live/checkisomd5@.service
index 20e40bd7..c4ca10f3 100644
--- a/modules.d/90dmsquash-live/checkisomd5@.service
+++ b/modules.d/90dmsquash-live/checkisomd5@.service
@@ -11,3 +11,4 @@ StandardInput=tty-force
 StandardOutput=inherit
 StandardError=inherit
 TimeoutSec=0
+SuccessExitStatus=2
diff --git a/modules.d/90dmsquash-live/dmsquash-live-root.sh b/modules.d/90dmsquash-live/dmsquash-live-root.sh
index 246235be..d921f0cd 100755
--- a/modules.d/90dmsquash-live/dmsquash-live-root.sh
+++ b/modules.d/90dmsquash-live/dmsquash-live-root.sh
@@ -42,7 +42,7 @@ if [ -n "$check" ]; then
     else
         checkisomd5 --verbose $livedev
     fi
-    if [ $? -ne 0 ]; then
+    if [ $? -eq 1 ]; then
         die "CD check failed!"
         exit 1
     fi