diff --git a/.gitignore b/.gitignore
index 82b4126..3a2a29a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 /dist/
 /.idea/
 /node_modules
-/public/images/
\ No newline at end of file
+/public/images/
+/config.json
\ No newline at end of file
diff --git a/src/iTender.ts b/src/iTender.ts
index af52182..d2e82db 100644
--- a/src/iTender.ts
+++ b/src/iTender.ts
@@ -237,7 +237,7 @@ export class iTender {
 
                 let drinkAccept = true;
                 for (let i of d.ingredients) {
-                    let c = await Container.findOne({$and: [{content: i.type}, {content: {$ne: null}}]});
+                    let c = await Container.findOne({content: i.type});
 
                     if (!c || c.content != i.type) {
                         drinkAccept = false;