diff --git a/CHANGELOG.md b/CHANGELOG.md
index 95e3c0075..d976aef72 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -47,6 +47,9 @@ If any files are returned, you should check to see if these files affected and a
 - If using S3 storage in docker, it was not reflected correctly in the docker-compose file.
 - Docker image for mongo-init now based on python:3.7-slim to reduce size.
 
+### Added
+- Endpoint '/api/files/uploadToDataset' now allows folder_id for uploading file to folder. [#232](https://github.com/clowder-framework/clowder/issues/232)
+
 ## 1.17.0 - 2021-04-29
 
 ### Fixed
diff --git a/app/api/Files.scala b/app/api/Files.scala
index b9bae4130..f19084dd9 100644
--- a/app/api/Files.scala
+++ b/app/api/Files.scala
@@ -523,10 +523,16 @@ class Files @Inject()(
   /**
     * Upload a file to a specific dataset
     */
-  def uploadToDataset(dataset_id: UUID, showPreviews: String = "DatasetLevel", originalZipFile: String = "", flagsFromPrevious: String = "", extract: Boolean = true) = PermissionAction(Permission.AddResourceToDataset, Some(ResourceRef(ResourceRef.dataset, dataset_id)))(parse.multipartFormData) { implicit request =>
+  def uploadToDataset(dataset_id: UUID, showPreviews: String = "DatasetLevel", originalZipFile: String = "", flagsFromPrevious: String = "", extract: Boolean = true, folder_id: Option[String]) = PermissionAction(Permission.AddResourceToDataset, Some(ResourceRef(ResourceRef.dataset, dataset_id)))(parse.multipartFormData) { implicit request =>
     datasets.get(dataset_id) match {
       case Some(dataset) => {
-        val uploadedFiles = FileUtils.uploadFilesMultipart(request, Some(dataset), showPreviews = showPreviews, originalZipFile = originalZipFile, flagsFromPrevious = flagsFromPrevious, runExtractors = extract, apiKey = request.apiKey)
+        var current_folder : Option[Folder] = None
+        if (folder_id != None) {
+          if (UUID.isValid(folder_id.get)){
+            current_folder = folders.get(UUID(folder_id.get))
+          }
+        }
+        val uploadedFiles = FileUtils.uploadFilesMultipart(request, Some(dataset), current_folder, showPreviews = showPreviews, originalZipFile = originalZipFile, flagsFromPrevious = flagsFromPrevious, runExtractors = extract, apiKey = request.apiKey)
         uploadedFiles.length match {
           case 0 => BadRequest("No files uploaded")
           case 1 => Ok(Json.obj("id" -> uploadedFiles.head.id))
diff --git a/conf/routes b/conf/routes
index 519ee1cc1..333fd699a 100644
--- a/conf/routes
+++ b/conf/routes
@@ -377,8 +377,8 @@ POST           /api/files
 POST           /api/files/withFlags/:flags                                              @api.Files.upload(showPreviews: String ?= "DatasetLevel", originalZipFile: String ?= "", flags: String)
 POST           /api/files/searchusermetadata                                            @api.Files.searchFilesUserMetadata
 POST           /api/files/searchmetadata                                                @api.Files.searchFilesGeneralMetadata
-POST           /api/uploadToDataset/withFlags/:id/:flags                                @api.Files.uploadToDataset(id: UUID, showPreviews: String ?= "DatasetLevel", originalZipFile: String ?= "", flags: String, extract: Boolean ?= true)
-POST           /api/uploadToDataset/:id                                                 @api.Files.uploadToDataset(id: UUID, showPreviews: String ?= "DatasetLevel", originalZipFile: String ?= "", flags: String ?= "", extract: Boolean ?= true)
+POST           /api/uploadToDataset/withFlags/:id/:flags                                @api.Files.uploadToDataset(id: UUID, showPreviews: String ?= "DatasetLevel", originalZipFile: String ?= "", flags: String, extract: Boolean ?= true, folder_id: Option[String] ?= None)
+POST           /api/uploadToDataset/:id                                                 @api.Files.uploadToDataset(id: UUID, showPreviews: String ?= "DatasetLevel", originalZipFile: String ?= "", flags: String ?= "", extract: Boolean ?= true, folder_id: Option[String] ?= None)
 PUT            /api/files/:id/updateDescription                                         @api.Files.updateDescription(id: UUID)
 POST           /api/files/uploadIntermediate/:idAndFlags                                @api.Files.uploadIntermediate(idAndFlags)
 POST           /api/files/sendJob/:fileId/:fileType                                     @api.Files.sendJob(fileId: UUID,fileType)
diff --git a/public/swagger.yml b/public/swagger.yml
index 1580e9358..b904aeae9 100644
--- a/public/swagger.yml
+++ b/public/swagger.yml
@@ -554,6 +554,10 @@ paths:
           in: query
           schema:
             type: boolean
+        - name: folder_id
+          in: query
+          schema:
+            type: string
       requestBody:
         content:
           multipart/form-data: