diff --git a/bundles/ngx-uploader.umd.js b/bundles/ngx-uploader.umd.js
index f90d60bf..f5212e9f 100644
--- a/bundles/ngx-uploader.umd.js
+++ b/bundles/ngx-uploader.umd.js
@@ -1,2 +1,2 @@
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n.EventEmitter&&this.upload.initInputEvents(this.uploadInput))},e.prototype.ngOnDestroy=function(){this.isServer||(this.el.removeEventListener("change",this.fileListener,!1),this.uploadInput.unsubscribe())},e}();s([r.i(n.Input)(),a("design:type",n.EventEmitter)],p.prototype,"uploadInput",void 0),s([r.i(n.Output)(),a("design:type",n.EventEmitter)],p.prototype,"uploadOutput",void 0),p=s([r.i(n.Directive)({selector:"[ngFileSelect]"}),u(0,r.i(n.Inject)(n.PLATFORM_ID)),a("design:paramtypes",[Object,n.ElementRef])],p)},function(e,r){e.exports=t},function(e,t,r){"use strict";r.d(t,"a",function(){return a});var n=r(0),i=(r.n(n),r(2)),o=r(3),s=this&&this.__decorate||function(e,t,r,n){var i,o=arguments.length,s=o<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,r):n;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,n);else for(var a=e.length-1;a>=0;a--)(i=e[a])&&(s=(o<3?i(s):o>3?i(t,r,s):i(t,r))||s);return 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diff --git a/src/ngx-uploader/classes/ngx-uploader.class.ts b/src/ngx-uploader/classes/ngx-uploader.class.ts
index 32cc335c..46189e47 100644
--- a/src/ngx-uploader/classes/ngx-uploader.class.ts
+++ b/src/ngx-uploader/classes/ngx-uploader.class.ts
@@ -44,6 +44,7 @@ export interface UploadInput {
   url?: string;
   method?: string;
   id?: string;
+  fieldName?: string;
   fileIndex?: number;
   file?: UploadFile;
   data?: { [key: string]: string | Blob };
@@ -226,7 +227,7 @@ export class NgUploaderService {
           observer.complete();
         }
 
-        form.append('file', uploadFile, uploadFile.name);
+        form.append(event.fieldName || 'file', uploadFile, uploadFile.name);
 
         Object.keys(data).forEach(key => form.append(key, data[key]));
         Object.keys(headers).forEach(key => xhr.setRequestHeader(key, headers[key]));