diff --git a/test/test-functions b/test/test-functions
index f3263411b0..accaf927c8 100644
--- a/test/test-functions
+++ b/test/test-functions
@@ -190,7 +190,7 @@ $KERNEL_APPEND \
 run_nspawn() {
     [[ -d /run/systemd/system ]] || return 1
 
-    local _nspawn_cmd="$BUILD_DIR/systemd-nspawn --register=no --kill-signal=SIGKILL --directory=$TESTDIR/nspawn-root $PATH_TO_INIT $KERNEL_APPEND"
+    local _nspawn_cmd="$BUILD_DIR/systemd-nspawn $NSPAWN_ARGUMENTS --register=no --kill-signal=SIGKILL --directory=$TESTDIR/nspawn-root $PATH_TO_INIT $KERNEL_APPEND"
     if [[ "$NSPAWN_TIMEOUT" != "infinity" ]]; then
         _nspawn_cmd="timeout --foreground $NSPAWN_TIMEOUT $_nspawn_cmd"
     fi