diff --git a/run/run.sh b/run/run.sh
index 8f5d346..fadedfb 100755
--- a/run/run.sh
+++ b/run/run.sh
@@ -80,8 +80,10 @@ set -m
 )
 set +m
 
+PID="$(cat "${_QEMU_PID}")"
+
 if (( KERNEL > 4 )); then
-  pidwait -F "${_QEMU_PID}" & wait $!
+  pidwait "$PID" & wait $!
 else
-  tail --pid "$(cat "${_QEMU_PID}")" --follow /dev/null & wait $!
+  tail --pid "$PID" --follow /dev/null & wait $!
 fi