diff --git a/lib/index.js b/lib/index.js
index 4bc4ebf..4276e8e 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -64,24 +64,18 @@ class ErrsoleMongoDB extends EventEmitter {
   constructor (uri, dbNameOrOptions, options = {}) {
     super();
 
-    this.name = packageJSON.name;
-    this.version = packageJSON.version || '0.0.0';
-
-    const { collectionPrefix, ...connectionOptions } = typeof dbNameOrOptions === 'object' ? dbNameOrOptions : options;
+    let { collectionPrefix, ...connectionOptions } = typeof dbNameOrOptions === 'object' ? dbNameOrOptions : options;
+    collectionPrefix = collectionPrefix ? `${collectionPrefix.toLowerCase().replace(/[^a-z0-9]/g, '')}` : 'errsole';
 
-    this.uri = uri;
+    this.client = new MongoClient(uri, connectionOptions);
     this.dbName = typeof dbNameOrOptions === 'string' ? dbNameOrOptions : undefined;
-    this.connectionOptions = connectionOptions;
+    this.logsCollectionName = `${collectionPrefix}_logs`;
+    this.notificationsCollectionName = `${collectionPrefix}_notifications`;
+    this.usersCollectionName = `${collectionPrefix}_users`;
+    this.configCollectionName = `${collectionPrefix}_config`;
 
-    const prefix = collectionPrefix
-      ? `${collectionPrefix.toLowerCase().replace(/[^a-z0-9]/g, '')}_`
-      : 'errsole_';
-
-    this.client = new MongoClient(this.uri, this.connectionOptions);
-    this.logsCollectionName = `${prefix}logs`;
-    this.notificationsCollectionName = `${prefix}notifications`;
-    this.usersCollectionName = `${prefix}users`;
-    this.configCollectionName = `${prefix}config`;
+    this.name = packageJSON.name;
+    this.version = packageJSON.version || '0.0.0';
 
     this.isConnectionInProgress = true;
     this.pendingLogs = [];