diff --git a/posctl.cc b/posctl.cc
index af0a733..97d1873 100644
--- a/posctl.cc
+++ b/posctl.cc
@@ -60,7 +60,7 @@ void axis_history_add(int axis, double diff, double out) {
 }
 
 #define CALIB_MAXSPEED 1.0
-#define CALIB_DURATION_DELTA 10.0
+#define CALIB_DURATION_DELTA 5.0
 #define CALIB_DURATION_AXIS (CALIB_DURATION_DELTA / CALIB_MAXSPEED)
 
 void posctl_gui_update();