diff --git a/yobo_model/yobotics_gazebo/scripts/odometry.py b/yobo_model/yobotics_gazebo/scripts/odometry.py
index d4581e4..153d68b 100644
--- a/yobo_model/yobotics_gazebo/scripts/odometry.py
+++ b/yobo_model/yobotics_gazebo/scripts/odometry.py
@@ -117,7 +117,7 @@ def is_almost_equal(self, a, b, max_rel_diff):
         if b > a:
             largest = b
         else:
-            larget = a
+            largest = a
 
         if diff <= (largest * max_rel_diff):
             return True