diff --git a/calibrationCharuco.cpp b/calibrationCharuco.cpp
index 6ca65eb..4a1e08e 100644
--- a/calibrationCharuco.cpp
+++ b/calibrationCharuco.cpp
@@ -12,7 +12,7 @@ int main(int argc, char *argv[]) {
     int squaresX = 5;
     int squaresY = 7;
     float squareLength = 0.0338f;
-    float markerLength = 0.0167f;
+    float markerLength = 0.0169f;
     std::string outputFile = "camera_calibration.yml";
 
     // create charuco board object