diff --git a/applications/calibration/src/lens.cpp b/applications/calibration/src/lens.cpp
index 5d47043fd47fea2821ead3d0905886510a5a9a02..7204f78d9bf5c4a5f8c10488e19d002581cf2d1d 100644
--- a/applications/calibration/src/lens.cpp
+++ b/applications/calibration/src/lens.cpp
@@ -51,8 +51,8 @@ void ftl::calibration::intrinsic(map<string, string> &opt) {
 	LOG(INFO) << " aperture_height: " << aperture_height;
 	LOG(INFO) << "-----------------------------------";
 
-	int calibrate_flags =	cv::CALIB_ZERO_TANGENT_DIST | cv::CALIB_FIX_ASPECT_RATIO |
-							cv::CALIB_FIX_PRINCIPAL_POINT;
+	int calibrate_flags =	cv::CALIB_ZERO_TANGENT_DIST | cv::CALIB_FIX_ASPECT_RATIO;
+	//						cv::CALIB_FIX_PRINCIPAL_POINT;
 	// PARAMETERS
 
 	vector<cv::VideoCapture> cameras;