diff --git a/src/app/components/fileupload/fileupload.ts b/src/app/components/fileupload/fileupload.ts
index 8df13caae8b..561f1daf966 100755
--- a/src/app/components/fileupload/fileupload.ts
+++ b/src/app/components/fileupload/fileupload.ts
@@ -825,15 +825,18 @@ export class FileUpload implements AfterViewInit, AfterContentInit, OnInit, OnDe
     }
 
     formatSize(bytes: number) {
-        if (bytes == 0) {
+        const k = 1024;
+        const dm = 3;
+        const sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
+
+        if (bytes === 0) {
             return '0 B';
         }
-        let k = 1000,
-            dm = 3,
-            sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
-            i = Math.floor(Math.log(bytes) / Math.log(k));
 
-        return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
+        const i = Math.floor(Math.log(bytes) / Math.log(k));
+        const formattedSize = (bytes / Math.pow(k, i)).toFixed(dm);
+
+        return `${formattedSize} ${sizes[i]}`;
     }
 
     onBasicUploaderClick() {