TODO: explain why

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 scripts/qemu.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/qemu.py b/scripts/qemu.py
index e19e4b34d0..aaba04b3c1 100644
--- a/scripts/qemu.py
+++ b/scripts/qemu.py
@@ -275,7 +275,8 @@ class QEMUMachine(object):
 
     def wait(self):
         '''Wait for the VM to power off'''
-        self._popen.wait()
+        if self.is_running():
+            self._popen.wait()
         self._post_shutdown()
 
     def shutdown(self):
-- 
2.14.3