diff --git a/camdetect.py b/camdetect.py
index d658a40..08436a8 100755
--- a/camdetect.py
+++ b/camdetect.py
@@ -246,7 +246,7 @@ async def motion_detector(reference_frame, download_queue, upload_queue):
         reference_frame.put(y)
         try:
             app.ctx.mask = cv2.inRange(cv2.absdiff(y,
-                                       reference_frame.get()), 25, 65535)
+                                       reference_frame.get()), 50, 65535)
         except ReferenceFrame.NotEnoughFrames:
             app.ctx.mask = None
             motion_detected = False