diff --git a/script/camtool.py b/script/camtool.py
index 187f15e..2f2edc1 100644
--- a/script/camtool.py
+++ b/script/camtool.py
@@ -129,6 +129,8 @@ class CamTool(DeviceBase):
         #print "Current timestamp: ", timestamp
         if not self.latch:
             self.cam_run.write(1)            
+        else
+            self.cam_latch.write(1)
         start = time.time()
         while(True):
             val = self.timestamp.read()