diff --git a/config/settings.properties b/config/settings.properties
index b263c4d..f1b8ba4 100644
--- a/config/settings.properties
+++ b/config/settings.properties
@@ -1,11 +1,12 @@
-#Tue Dec 13 02:42:36 CET 2022
-dry_mount_counter=12
+#Tue Dec 13 14:07:32 CET 2022
+dry_mount_counter=0
+mounted_sample_position=C32
 room_temperature_enabled=false
 pin_offset=-0.0
 cryopos_in=5.0
 puck_types=true
 imaging_enabled=false
-dry_timestamp=1.670892576058E9
+dry_timestamp=1.670936852103E9
 roi_h=1000
 led_level=0.0
 beamline_status_enabled=false
diff --git a/script/motion/unmount.py b/script/motion/unmount.py
index ff6c3ee..7f2f6ae 100644
--- a/script/motion/unmount.py
+++ b/script/motion/unmount.py
@@ -27,8 +27,14 @@ def unmount(segment = None, puck = None, sample = None, force=True, auto_unmount
     needs_chilling = not is_rt and was_warm
     needs_drying = is_rt and was_cold
     move_cold_at_end = str(next_segment) in COLD_SEGMENTS
-    
-    
+
+    try:
+        assert_puck_detected(segment, puck)
+    except:
+        msg = "puck for sample %s no longer present/detected afget get_dewar()" % (pos,)
+        evlog(msg)
+        raise Exception(msg)
+        
     #Initial checks
     if not auto_unmount:    
         print "%4.1f s asserting" % (tg() - t1,)