diff --git a/api/src/controllers/collection-controller.js b/api/src/controllers/collection-controller.js
index e0e1c5939..48701cd67 100644
--- a/api/src/controllers/collection-controller.js
+++ b/api/src/controllers/collection-controller.js
@@ -102,7 +102,7 @@ const updateCollection = async function(incomingObj, collectionId, displayName)
     let arrayOfObjIds = [];
 
     for(const record of incomingObj.records){
-      if(recordIds.includes(record)){
+      if(!recordIds.includes(record)){
         recordsToAdd.push(record);
         arrayOfObjIds.push(new ObjectId(record));
       }
diff --git a/api/test/factories/factory_helper.js b/api/test/factories/factory_helper.js
index 93aabf5dd..cfc50eb31 100644
--- a/api/test/factories/factory_helper.js
+++ b/api/test/factories/factory_helper.js
@@ -156,7 +156,7 @@ function hexaDecimal(count) {
 
 function generateSeededObjectId(value) {
     let oid = (typeof value === "undefined") ? hexaDecimal(24).toLocaleLowerCase() : value;
-    if (!bsonObjectId.isValid(oid)) throw new Error("Invalid attempt to generate an ObjectID: '" + oid + "'");
+    if (!bsonObjectId.isValid(oid)) throw new Error(`Invalid attempt to generate an ObjectID: ${oid}`);
     return mongTypes.ObjectId(oid);
 }