diff --git a/script/camtool.py b/script/camtool.py
index 99b5f96..ca7ea9c 100644
--- a/script/camtool.py
+++ b/script/camtool.py
@@ -174,11 +174,11 @@ class CamTool(DeviceBase):
     def captureBackground(self, images):        
         self.start()
         self.bg_capture.write(images)
-        sleep(2.0)
+        sleep(0.2)
         while(True):
             finished = True
             for retry in range(10):
-                if self.bg_capture_remain.read() >0 :
+                if self.bg_capture_remain.read() > 0:
                     finished = False
                     break
             if finished: