diff --git a/ar_tag_pose/detector_board_main.py b/ar_tag_pose/detector_board_main.py
index a2bbdae..0b65ae1 100644
--- a/ar_tag_pose/detector_board_main.py
+++ b/ar_tag_pose/detector_board_main.py
@@ -64,12 +64,12 @@ class Detector(abc.ABC):
 		print(self.camera_name)
 
 		camera_params_default = {
-			cv.CAP_PROP_FRAME_WIDTH: 1920 * 2,
-			cv.CAP_PROP_FRAME_HEIGHT: 1080 * 2,
-			cv.CAP_PROP_FPS: 60,
-			cv.CAP_PROP_GAIN: 128,
-			cv.CAP_PROP_EXPOSURE: 200,
-			cv.CAP_PROP_AUTO_EXPOSURE: 1
+			"CAP_PROP_FRAME_WIDTH": 1920 * 2,
+			"CAP_PROP_FRAME_HEIGHT": 1080 * 2,
+			"CAP_PROP_FPS": 60,
+			"CAP_PROP_GAIN": 128,
+			"CAP_PROP_EXPOSURE": 200,
+			"CAP_PROP_AUTO_EXPOSURE": 1
 		}
 		camera = {}
 		if not "camera" in self.params:
@@ -78,8 +78,8 @@ class Detector(abc.ABC):
 		for item in camera:
 			key = item
 			value = camera[key]
-			print(f"{item}:  {value}")
-			self.cap.set(key, value)
+			k = getattr(globals()['cv'], key)
+			self.cap.set(k, value)
 
 		self.params['camera'] = {self.camera_name: camera}
 		self.params_save()