diff --git a/src/lib/ngx-print.directive.ts b/src/lib/ngx-print.directive.ts
index beccd1f..7e75aad 100644
--- a/src/lib/ngx-print.directive.ts
+++ b/src/lib/ngx-print.directive.ts
@@ -155,10 +155,12 @@ public returnStyleValues() {
             function triggerPrint(event) {
               window.removeEventListener('load', triggerPrint, false);
               setTimeout(function() {
-                window.print();
-                setTimeout(function() { window.close(); }, 0);
+                closeWindow(window.print());
               }, ${this.printDelay});
             }
+            function closeWindow(){
+                window.close();
+            }
             window.addEventListener('load', triggerPrint, false);
           </script>
         </body>