diff --git a/include/sensors/data_source_ball.h b/include/sensors/data_source_ball.h
index df478ac..7e84456 100644
--- a/include/sensors/data_source_ball.h
+++ b/include/sensors/data_source_ball.h
@@ -2,8 +2,8 @@
 #include "behaviour_control/data_source.h"
 #include <Arduino.h>
 
-#define MOUTH_MIN_ANGLE 350
-#define MOUTH_MAX_ANGLE 10
+#define MOUTH_MIN_ANGLE 345
+#define MOUTH_MAX_ANGLE 15
 #define MOUTH_DISTANCE 100
 #define MOUTH_MAX_DISTANCE 140