diff --git a/samples/calib/create_marker.cpp b/samples/calib/create_marker.cpp
index 8e73a43..ee5812a 100644
--- a/samples/calib/create_marker.cpp
+++ b/samples/calib/create_marker.cpp
@@ -97,7 +97,8 @@ int main(int argc, char *argv[]) {
 
   if (landingPadUnit > 0) {
     Mat markerImgBIG = Mat::ones(landingPadUnit * 62, landingPadUnit * 62, CV_8UC1) * 255;
-    markerId = 0;
+    // markerId = 0;
+    markerId --;
     markerSize = landingPadUnit * 4;
     borderSize = landingPadUnit;
     int newSize = markerSize + borderSize * 2;
@@ -222,7 +223,7 @@ int main(int argc, char *argv[]) {
     markerImg = create_marker_with_borders(dictionary, markerId, markerSize, borderBits, borderSize);
     markerImg.copyTo(markerImgBIG(Rect(landingPadUnit * 10, landingPadUnit * 28, newSize, newSize)));
     
-    markerId = 90;
+    // markerId = 90;
     markerSize = landingPadUnit * 4 * 4;
     borderSize = landingPadUnit * 4;
     newSize = markerSize + borderSize * 2;