diff --git a/client/src/components/templates/Asset/AssetFile.test.tsx b/client/src/components/templates/Asset/AssetFile.test.tsx
index b0ac99f..9c19bbb 100644
--- a/client/src/components/templates/Asset/AssetFile.test.tsx
+++ b/client/src/components/templates/Asset/AssetFile.test.tsx
@@ -14,7 +14,7 @@ const file = {
     index: 0,
     url: 'https://hello.com',
     contentType: 'application/x-zip',
-    contentLength: 100
+    contentLength: '100'
 }
 
 const ddo = ({
diff --git a/client/src/components/templates/Asset/AssetFile.tsx b/client/src/components/templates/Asset/AssetFile.tsx
index 2b06a5b..3d9a9a3 100644
--- a/client/src/components/templates/Asset/AssetFile.tsx
+++ b/client/src/components/templates/Asset/AssetFile.tsx
@@ -119,11 +119,9 @@ export default class AssetFile extends PureComponent<
                 <ul key={index} className={styles.file}>
                     {contentType || contentLength ? (
                         <>
+                            <li>{cleanupContentType(contentType)}</li>
                             <li>
-                                {contentType && cleanupContentType(contentType)}
-                            </li>
-                            <li>
-                                {contentLength && contentLength > 0
+                                {contentLength && contentLength !== '0'
                                     ? filesize(contentLength)
                                     : ''}
                             </li>
diff --git a/client/src/routes/Publish/Files/Item.test.tsx b/client/src/routes/Publish/Files/Item.test.tsx
index e0bb936..8246f73 100644
--- a/client/src/routes/Publish/Files/Item.test.tsx
+++ b/client/src/routes/Publish/Files/Item.test.tsx
@@ -8,7 +8,7 @@ describe('Item', () => {
             url: 'https://hello.com/hello.zip',
             found: true,
             contentType: 'application/zip',
-            contentLength: 10
+            contentLength: '10'
         }
         const { container } = render(
             <Item item={item} removeItem={() => null} />
@@ -21,7 +21,7 @@ describe('Item', () => {
             url: 'https://hello.com/hello.zip',
             found: false,
             contentType: '',
-            contentLength: 10
+            contentLength: '10'
         }
         const { container } = render(
             <Item item={item} removeItem={() => null} />
diff --git a/client/src/routes/Publish/Files/Item.tsx b/client/src/routes/Publish/Files/Item.tsx
index e411801..fb69fa5 100644
--- a/client/src/routes/Publish/Files/Item.tsx
+++ b/client/src/routes/Publish/Files/Item.tsx
@@ -11,7 +11,7 @@ const Item = ({
         url: string
         found: boolean
         contentType: string
-        contentLength: number
+        contentLength: string
     }
     removeFile(): void
 }) => (
diff --git a/client/src/routes/Publish/Files/index.test.tsx b/client/src/routes/Publish/Files/index.test.tsx
index dd2236a..9142855 100644
--- a/client/src/routes/Publish/Files/index.test.tsx
+++ b/client/src/routes/Publish/Files/index.test.tsx
@@ -14,7 +14,7 @@ const files = [
         url: 'https://hello.com',
         checksum: 'cccccc',
         checksumType: 'MD5',
-        contentLength: 100,
+        contentLength: '100',
         contentType: 'application/zip',
         resourceId: 'xxx',
         encoding: 'UTF-8',
diff --git a/server/src/routes/UrlCheckRouter.ts b/server/src/routes/UrlCheckRouter.ts
index 39364f5..a9517f6 100644
--- a/server/src/routes/UrlCheckRouter.ts
+++ b/server/src/routes/UrlCheckRouter.ts
@@ -42,9 +42,7 @@ export class UrlCheckRouter {
                     result.found = true
 
                     if (headers['content-length']) {
-                        result.contentLength = parseInt(
-                            headers['content-length']
-                        ) // convert to number
+                        result.contentLength = headers['content-length']
                     }
 
                     // sometimes servers send content-range header,
@@ -54,7 +52,7 @@ export class UrlCheckRouter {
                         !headers['content-length']
                     ) {
                         const size = headers['content-range'].split('/')[1]
-                        result.contentLength = parseInt(size) // convert to number
+                        result.contentLength = size
                     }
 
                     if (headers['content-type']) {