diff --git a/swh/deposit/api/deposit_status.py b/swh/deposit/api/deposit_status.py
--- a/swh/deposit/api/deposit_status.py
+++ b/swh/deposit/api/deposit_status.py
@@ -26,10 +26,10 @@
                'summary': <summary-string>,
                'fields': <impacted-fields-list>,
            }],
-           'archive': {
+           'archive': [{
                'summary': <summary-string>,
-               'fields': [],
-           }
+               'fields': <impacted-fields-list>,
+           }]
 
 
         }
@@ -45,19 +45,24 @@
         return None
 
     msg = []
-    if 'metadata' in status_detail:
-        for data in status_detail['metadata']:
-            fields = ', '.join(data['fields'])
-            msg.append('- %s (%s)\n' % (data['summary'], fields))
-
-    for key in ['url', 'archive']:
-        if key in status_detail:
-            _detail = status_detail[key]
-            fields = _detail.get('fields')
-            suffix_msg = ''
-            if fields:
-                suffix_msg = ' (%s)' % ', '.join(fields)
-            msg.append('- %s%s\n' % (_detail['summary'], suffix_msg))
+    for key in ['metadata', 'archive']:
+        _detail = status_detail.get(key)
+        print('key', key, 'detail', _detail)
+        if _detail:
+            for data in _detail:
+                suffix_msg = ''
+                fields = data.get('fields')
+                if fields:
+                    suffix_msg = ' (%s)' % ', '.join(fields)
+                msg.append('- %s%s\n' % (data['summary'], suffix_msg))
+
+    _detail = status_detail.get('url')
+    if _detail:
+        fields = _detail.get('fields')
+        suffix_msg = ''
+        if fields:
+            suffix_msg = ' (%s)' % ', '.join(fields)
+        msg.append('- %s%s\n' % (_detail['summary'], suffix_msg))
 
     if not msg:
         return None
diff --git a/swh/deposit/api/private/deposit_check.py b/swh/deposit/api/private/deposit_check.py
--- a/swh/deposit/api/private/deposit_check.py
+++ b/swh/deposit/api/private/deposit_check.py
@@ -59,7 +59,7 @@
             if not check:
                 errors.append({
                     'summary': error_message,
-                    'fields': archive_request.id
+                    'fields': [archive_request.id]
                 })
 
         if not errors:
diff --git a/swh/deposit/tests/api/test_deposit_status.py b/swh/deposit/tests/api/test_deposit_status.py
--- a/swh/deposit/tests/api/test_deposit_status.py
+++ b/swh/deposit/tests/api/test_deposit_status.py
@@ -143,16 +143,16 @@
                     'fields': ['name or title', 'url or badurl']
                 }
             ],
-            'archive': {
+            'archive': [{
                 'summary': 'Unreadable archive',
-                'fields': ['1', '2'],
-            },
+                'fields': ['1'],
+            }],
         }
 
         expected_status_detail = '''- Mandatory fields missing (url, title)
 - Alternate fields missing (name or title, url or badurl)
+- Unreadable archive (1)
 - At least one url field must be compatible with the client's domain name. The following url fields failed the check (blahurl, testurl)
-- Unreadable archive (1, 2)
 '''  # noqa
 
         actual_status_detail = convert_status_detail(status_detail)
@@ -172,9 +172,21 @@
                     'fields': ['name'],
                 },
             ],
+            'archive': [
+                {
+                    'summary': 'Invalid archive',
+                    'fields': ['2'],
+                },
+                {
+                    'summary': 'Unsupported archive',
+                    'fields': ['1'],
+                }
+            ],
         }
 
         expected_status_detail = '''- Mandatory fields missing (name)
+- Invalid archive (2)
+- Unsupported archive (1)
 - At least one compatible url field. Failed (testurl)
 '''