diff --git a/test/test-functions b/test/test-functions
index 3afc324110..25a7b9b6f5 100644
--- a/test/test-functions
+++ b/test/test-functions
@@ -207,6 +207,7 @@ run_qemu() {
     KERNEL_APPEND="$PARAMS \
 root=/dev/sda1 \
 raid=noautodetect \
+rd.luks=0 \
 loglevel=2 \
 init=$PATH_TO_INIT \
 console=$CONSOLE \