diff --git a/utils/calibration.py b/utils/calibration.py
index 1f06b8a..05b3409 100644
--- a/utils/calibration.py
+++ b/utils/calibration.py
@@ -104,7 +104,7 @@ def RZ(self, LidarToCamR):
     def transform(self, LidarToCamR, LidarToCamT):
         Rx = self.RX(LidarToCamR)
         Ry = self.RY(LidarToCamR)
-        Rz = self.RY(LidarToCamR)
+        Rz = self.RZ(LidarToCamR)
 
         R = np.array([[1, 0, 0],
                       [0, 0, 1],