diff --git a/src/ServiceStack.Authentication.MongoDB/MongoDBAuthRepository.cs b/src/ServiceStack.Authentication.MongoDB/MongoDBAuthRepository.cs
index f146017..4b08fd5 100644
--- a/src/ServiceStack.Authentication.MongoDB/MongoDBAuthRepository.cs
+++ b/src/ServiceStack.Authentication.MongoDB/MongoDBAuthRepository.cs
@@ -52,14 +52,19 @@ private static string Counters_Col
 			}
 		}
 
-		public MongoDBAuthRepository(MongoDatabase mongoDatabase)
+		public MongoDBAuthRepository(MongoDatabase mongoDatabase, bool createMissingCollections)
 		{
 			this.mongoDatabase = mongoDatabase;
 
+			if (createMissingCollections)
+			{
+				CreateMissingCollections();
+			}
+
 			if (!CollectionsExists())
 			{
 				throw new InvalidOperationException("One of the collections needed by MongoDBAuthRepository is missing." +
-													"You can call CreateMissingCollections or DropAndReCreateCollections " +
+													"You can call MongoDBAuthRepository constructor with the parameter CreateMissingCollections set to 'true'  " +
 													"to create the needed collections.");
 			}
 		}