diff --git a/src/power.sh b/src/power.sh
index 74f5d0d..5d67fbc 100644
--- a/src/power.sh
+++ b/src/power.sh
@@ -118,14 +118,15 @@ _graceful_shutdown() {
 
   if [ ! -f "$STORAGE/windows.boot" ] && [ -f "$QEMU_PTY" ]; then
     if ! grep -Fq "Windows Boot Manager" "$QEMU_PTY"; then
-      info "Cannot send ACPI signal during Windows setup, aborting..."
-      finish "$code" && return "$code"
-    else
-      if [ -f "$STORAGE/$BASE" ]; then
-        rm -f "$STORAGE/$BASE"
-        touch "$STORAGE/windows.boot"
+      if ! grep -Fq "SeaBIOS" "$QEMU_PTY"; then
+        info "Cannot send ACPI signal during Windows setup, aborting..."
+        finish "$code" && return "$code"
       fi
     fi
+    if [ -f "$STORAGE/$BASE" ]; then
+      rm -f "$STORAGE/$BASE"
+      touch "$STORAGE/windows.boot"
+    fi
   fi
 
   # Send ACPI shutdown signal