diff --git a/bCNC/Camera.py b/bCNC/Camera.py
index adf49c01f..4bf33c83c 100644
--- a/bCNC/Camera.py
+++ b/bCNC/Camera.py
@@ -113,7 +113,10 @@ def isOn(self):
 	#-----------------------------------------------------------------------
 	def start(self):
 		if cv is None: return
-		self.camera = cv.VideoCapture(self.idx)
+		# 2021-02-07 ... added cv.CAP_DSHOW to fix issue on Win7
+		# answer: https://answers.opencv.org/question/234933
+		# issue: https://github.com/vlachoudis/bCNC/issues/1526
+		self.camera = cv.VideoCapture(self.idx, cv.CAP_DSHOW)
 
 		for prop_id, prop_value in self.props.items():
 			self.camera.set(prop_id, prop_value)