diff --git a/drivers/sensors/navigator_trackball.h b/drivers/sensors/navigator_trackball.h
index 4b117a783a..74fe38301b 100644
--- a/drivers/sensors/navigator_trackball.h
+++ b/drivers/sensors/navigator_trackball.h
@@ -11,7 +11,7 @@
 #endif
 
 #ifndef NAVIGATOR_TRACKBALL_CPI
-#    define NAVIGATOR_TRACKBALL_CPI 0x3C
+#    define NAVIGATOR_TRACKBALL_CPI 40
 #endif
 
 #ifndef NAVIGATOR_TRACKBALL_CPI_TICK