diff --git a/actions/getproperties.js b/actions/getproperties.js
index cdaa5e1..e3087eb 100644
--- a/actions/getproperties.js
+++ b/actions/getproperties.js
@@ -16,7 +16,7 @@ export const getOneProperty = async (params) => {
     }
     // read 'chip'-data (special for noise sensors)
     const chipdata = await readChipData(opts.sensorid)
-    if (chipdata.err == undefined) {
+    if (chipdata.err === null) {
         properties.chip = chipdata
     }
     let sensorEntries = [];
diff --git a/bin/www.js b/bin/www.js
index 21aa76b..98160d6 100644
--- a/bin/www.js
+++ b/bin/www.js
@@ -84,7 +84,6 @@ function onError(error) {
  */
 
 function onListening() {
-  console.log('DEBUG:', process.env.DEBUG, process.env.INFLUXHOST) 
   const addr = server.address();
   const bind = typeof addr === 'string'
     ? 'pipe ' + addr
diff --git a/databases/influx.js b/databases/influx.js
index b63377d..94fa11d 100644
--- a/databases/influx.js
+++ b/databases/influx.js
@@ -163,4 +163,4 @@ peak = data
   ${small}
 `
     return await fetchFromInflux(ret, queryAVG)
-}
\ No newline at end of file
+}
diff --git a/databases/mongo.js b/databases/mongo.js
index ee9bcee..d4046b3 100644
--- a/databases/mongo.js
+++ b/databases/mongo.js
@@ -28,9 +28,9 @@ export const properties_collection = 'properties'
 
 export const connectMongo = async () => {
     try {
-        logit(`Try to connect to ${MONGO_URL}`)
+//        logit(`Try to connect to ${MONGO_URL}`)
         let client = await MongoClient.connect(MONGO_URL)
-          logit(`Mongodbase connected to ${MONGO_URL}`)
+//        logit(`Mongodbase connected to ${MONGO_URL}`)
         return client
     }
     catch(error){
@@ -55,7 +55,7 @@ export const readProperties = async (query, limit = 0) => {
     let client = await connectMongo()
     try {
         if ("sid" in query) {                               // if sid is given, read property for sid
-            ret.properties = await client.db(MONGOBASE).collection('properties_collection').findOne({_id: query.sid})
+            ret.properties = await client.db(MONGOBASE).collection(properties_collection).findOne({_id: query.sid})
         } else {                                            // otherwise read props corresponding to query
             ret.properties = await client.db(MONGOBASE).collection(properties_collection).find(query).limit(limit).toArray()
         }
diff --git a/package.json b/package.json
index e4fc18f..f1e40c5 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,11 @@
 {
   "name": "sensorapi",
-  "version": "1.4.1",
+  "version": "1.4.2",
   "date": "2023-11-29 16:00 UTC",
   "private": true,
   "scripts": {
     "start": "node ./bin/www.js >>/var/log/sensorapi.log 2>&1",
+    "dev": "node ./bin/www.js",
     "test": "mocha ./test/test.js"
   },
   "type": "module",