diff --git a/lib/server/websocket.js b/lib/server/websocket.js
index 9ca7c200c69..18081181f56 100644
--- a/lib/server/websocket.js
+++ b/lib/server/websocket.js
@@ -320,7 +320,13 @@ function init (env, ctx, server) {
 
           // try to find exact match
           ctx.store.collection(collection).find(query).toArray(function findResult (err, array) {
-            if (err || array.length > 0) {
+            if (err) {
+              console.error(err);
+              callback([]);
+              return;
+            }
+            
+            if (array.length > 0) {
               console.log(LOG_DEDUP + 'Exact match');
               if (callback) {
                 callback([array[0]]);
@@ -363,7 +369,14 @@ function init (env, ctx, server) {
             // try to find similiar
             ctx.store.collection(collection).find(query_similiar).toArray(function findSimiliarResult (err, array) {
               // if found similiar just update date. next time it will match exactly
-              if (err || array.length > 0) {
+
+              if (err) {
+                console.error(err);
+                callback([]);
+                return;
+              }
+  
+              if (array.length > 0) {
                 console.log(LOG_DEDUP + 'Found similiar', array[0]);
                 array[0].created_at = data.data.created_at;
                 var objId = new ObjectID(array[0]._id);
@@ -408,14 +421,22 @@ function init (env, ctx, server) {
 
           // try to find exact match
           ctx.store.collection(collection).find(queryDev).toArray(function findResult (err, array) {
-            if (err || array.length > 0) {
-              console.log(LOG_DEDUP + 'Devicestatus exact match');
-              if (callback) {
-                callback([array[0]]);
-              }
+            if (err) {
+              console.error(err);
+              callback([]);
               return;
             }
+
+            if (array.length > 0) {
+              console.log(LOG_DEDUP + 'Devicestatus exact match');
+             if (callback) {
+               callback([array[0]]);
+             }
+            return;
+            }
+            
           });
+
           ctx.store.collection(collection).insert(data.data, function insertResult (err, doc) {
             if (err != null && err.message) {
               console.log('devicestatus insertion error: ', err.message);