diff --git a/umap/static/umap/js/modules/sync/updaters.js b/umap/static/umap/js/modules/sync/updaters.js
index d7a45492..29c1c995 100644
--- a/umap/static/umap/js/modules/sync/updaters.js
+++ b/umap/static/umap/js/modules/sync/updaters.js
@@ -122,6 +122,6 @@ export class FeatureUpdater extends BaseUpdater {
     // XXX Distinguish between properties getting deleted
     // and the wole feature getting deleted
     let feature = this.getFeatureFromMetadata(metadata)
-    if (feature) feature.del()
+    if (feature) feature.del(false)
   }
 }
diff --git a/umap/static/umap/js/umap.features.js b/umap/static/umap/js/umap.features.js
index e171daf8..fbe0af5c 100644
--- a/umap/static/umap/js/umap.features.js
+++ b/umap/static/umap/js/umap.features.js
@@ -286,16 +286,14 @@ U.FeatureMixin = {
     }
     return false
   },
-
-  del: function (fromSync) {
+  del: function (sync) {
     this.isDirty = true
     this.map.closePopup()
     if (this.datalayer) {
       this.datalayer.removeLayer(this)
       this.disconnectFromDataLayer(this.datalayer)
 
-      // Do not relay the event if we received it.
-      if (!fromSync) this.syncDelete()
+      if (sync !== false) this.syncDelete()
     }
   },