diff --git a/supernode/index.html b/supernode/index.html
index 85725e7..02779a3 100644
--- a/supernode/index.html
+++ b/supernode/index.html
@@ -20013,7 +20013,8 @@
                 };
 
                 request.onsuccess = function (event) {
-                    if (request.result) {
+                    if (request.result 
+                    && typeof request.result.is_deletable == "undefined") {
                         resolve(request.result);
                     } else {
                         resolve();
@@ -20034,7 +20035,8 @@
                 objectStore.openCursor().onsuccess = function (event) {
                     let cursor = event.target.result;
                     if (cursor) {
-                        if (cursor.value[index] == indexValue) {
+                        if (cursor.value[index] == indexValue
+                        && typeof cursor.value.is_deletable == "undefined") {
                             response.push(cursor.value);
                         }
                         cursor.continue();
@@ -20055,7 +20057,7 @@
                 var objectStore = db.transaction(tablename).objectStore(tablename);
                 objectStore.openCursor().onsuccess = function (event) {
                     let cursor = event.target.result;
-                    if (cursor) {
+                    if (cursor && typeof cursor.value.is_deletable == "undefined") {
                         response.push(cursor.value);
                         cursor.continue();
                     } else {
@@ -20369,7 +20371,8 @@
                         };
 
                         this.request.onsuccess = function (event) {
-                            if (parent_request.result) {
+                            if (parent_request.result
+                            && typeof parent_request.result.is_deletable == "undefined") {
                                 resolve(parent_request.result);
                             } else {
                                 resolve();
@@ -20390,7 +20393,8 @@
                         objectStore.openCursor().onsuccess = function (event) {
                             let cursor = event.target.result;
                             if (cursor) {
-                                if (cursor.value[index] == indexValue) {
+                                if (cursor.value[index] == indexValue
+                                && typeof cursor.value.is_deletable == "undefined") {
                                     response.push(cursor.value);
                                 }
                                 cursor.continue();
@@ -20407,7 +20411,7 @@
                         var objectStore = this.db.transaction(tablename).objectStore(tablename);
                         objectStore.openCursor().onsuccess = function (event) {
                             let cursor = event.target.result;
-                            if (cursor) {
+                            if (cursor && typeof cursor.value.is_deletable == "undefined") {
                                 response.push(cursor.value);
                                 cursor.continue();
                             } else {