diff --git a/lib/local/LandmarkDetector/src/LandmarkDetectionValidator.cpp b/lib/local/LandmarkDetector/src/LandmarkDetectionValidator.cpp
index 205c9fb5..2f745ecc 100644
--- a/lib/local/LandmarkDetector/src/LandmarkDetectionValidator.cpp
+++ b/lib/local/LandmarkDetector/src/LandmarkDetectionValidator.cpp
@@ -344,9 +344,15 @@ float DetectionValidator::Check(const cv::Vec3d& orientation, const cv::Mat_<uch
 	xs = xs - min_x;
 	ys = ys - min_y;
 
+	// If the ROI is non existent return failure (this could happen if all landmarks are outside of the image)
+	if (max_x - min_x <= 1 || max_y - min_y <= 1)
+	{
+		return 0.0f;
+	}
+
 	cv::Mat_<float> intensity_img_float_local;
 	intensity_img(cv::Rect(min_x, min_y, max_x - min_x, max_y - min_y)).convertTo(intensity_img_float_local, CV_32F);
-	
+
 	// the piece-wise affine image warping
 	paws[id].Warp(intensity_img_float_local, warped, detected_landmarks_local);
 
diff --git a/lib/local/LandmarkDetector/src/LandmarkDetectorUtils.cpp b/lib/local/LandmarkDetector/src/LandmarkDetectorUtils.cpp
index 87146778..71cdafd0 100644
--- a/lib/local/LandmarkDetector/src/LandmarkDetectorUtils.cpp
+++ b/lib/local/LandmarkDetector/src/LandmarkDetectorUtils.cpp
@@ -480,7 +480,7 @@ namespace LandmarkDetector
 			for (int i = 0; i < n; ++i)
 			{
 				float val_x = landmarks.at<float>(i, 0);
-				float val_y = landmarks.at<float>(i, 0);
+				float val_y = landmarks.at<float>(i, 1);
 
 				if (i == 0 || val_x < min_x)
 					min_x = val_x;