From 704a51a9a84294edb5040424044c11579d00382e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Saleiro?= <joao.saleiro@webfuel.pt>
Date: Tue, 27 Jun 2017 14:52:00 +0100
Subject: [PATCH] Update ng-file-select.directive.ts

---
 src/ngx-uploader/directives/ng-file-select.directive.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ngx-uploader/directives/ng-file-select.directive.ts b/src/ngx-uploader/directives/ng-file-select.directive.ts
index ed0229f5..6499016f 100644
--- a/src/ngx-uploader/directives/ng-file-select.directive.ts
+++ b/src/ngx-uploader/directives/ng-file-select.directive.ts
@@ -32,7 +32,9 @@ export class NgFileSelectDirective implements OnInit, OnDestroy {
 
   ngOnDestroy() {
     this.el.removeEventListener('change', this.fileListener, false);
-    this.uploadInput.unsubscribe();
+    
+    if (this.uploadInput)
+      this.uploadInput.unsubscribe();
   }
 
   fileListener = () => {