diff --git a/src/kiri/client.js b/src/kiri/client.js
index d843b5ef..a7427c1d 100644
--- a/src/kiri/client.js
+++ b/src/kiri/client.js
@@ -167,10 +167,14 @@ KIRI.work = {
             id: widget.id,
             settings: settings
         }, function(reply) {
+            callback(reply);
             if (reply.done || reply.error) {
                 delete slicing[widget.id];
+                // in belt mode, slicing modifies a widget and requires re-sync
+                if (settings.device.bedBelt) {
+                    widget.modified = true;
+                }
             }
-            callback(reply);
         });
     },
 
diff --git a/src/kiri/main.js b/src/kiri/main.js
index 351020c7..f3485593 100644
--- a/src/kiri/main.js
+++ b/src/kiri/main.js
@@ -869,7 +869,6 @@
         setOpacity(color.slicing_opacity);
 
         STACKS.clear();
-        KIRI.client.clear();
         KIRI.client.sync();
         KIRI.client.rotate(settings);
 
diff --git a/src/mode/cam/client.js b/src/mode/cam/client.js
index 60afd537..84e24f68 100644
--- a/src/mode/cam/client.js
+++ b/src/mode/cam/client.js
@@ -534,7 +534,7 @@
                 KIRI.api.widgets.opacity(0.8);
                 KIRI.api.widgets.for(widget => {
                     if (ids.indexOf(widget.id) >= 0) {
-                        unselectTraces(widget);
+                        unselectTraces(widget, true);
                         widget.trace_stack = null;
                     }
                     if (widget.trace_stack) {
@@ -544,7 +544,6 @@
                     }
                     let areas = (poppedRec.areas[widget.id] || []);
                     let stack = new KIRI.Stack(widget.mesh);
-                    // console.log({match: areas, for: widget.id});
                     widget.trace_stack = stack;
                     widget.traces.forEach(poly => {
                         let match = areas.filter(arr => poly.matches(arr));
@@ -1045,11 +1044,11 @@
         }
     }
 
-    function unselectTraces(widget) {
+    function unselectTraces(widget, skip) {
         if (widget.trace_stack) {
             widget.trace_stack.meshes.forEach(mesh => {
                 if (mesh.selected) {
-                    func.traceToggle(mesh);
+                    func.traceToggle(mesh, skip);
                 }
             });
         }