diff --git a/src/py/bbctrl/Mach.py b/src/py/bbctrl/Mach.py
index 0d0b754..ef88de8 100644
--- a/src/py/bbctrl/Mach.py
+++ b/src/py/bbctrl/Mach.py
@@ -355,7 +355,7 @@ class Mach(Comm):
         self.ctrl.state.set('optional_pause', enable)
 
 
-    def set_position(self, axis, position):
+    def set_position(self, axis, position, set_config = None):
         axis = axis.lower()
         state = self.ctrl.state
 
@@ -364,8 +364,9 @@ class Mach(Comm):
             self.mdi('G92%s%f' % (axis, position))
 
             #storing the offset to config
-            self.ctrl.config.set('axes', {'offset_' + axis : state.get(axis + 'p')})
-            self.log.info('set_position: {} = {} '.format(axis, state.get(axis + 'p')))
+            if set_config is not None:
+                self.ctrl.config.set('axes', {'offset_' + axis : state.get(axis + 'p')})
+                self.log.info('set_position: {} = {} '.format(axis, state.get(axis + 'p')))
 
         elif state.is_axis_enabled(axis):
             if self._get_cycle() != 'idle' and not self._is_paused():
diff --git a/src/py/bbctrl/Web.py b/src/py/bbctrl/Web.py
index 5fc9c94..2009e50 100644
--- a/src/py/bbctrl/Web.py
+++ b/src/py/bbctrl/Web.py
@@ -481,7 +481,7 @@ class StepHandler(bbctrl.APIHandler):
 
 class PositionHandler(bbctrl.APIHandler):
     def put_ok(self, axis):
-        self.get_ctrl().mach.set_position(axis, float(self.json['position']))
+        self.get_ctrl().mach.set_position(axis, float(self.json['position']), True)
 
 
 class OverrideFeedHandler(bbctrl.APIHandler):