diff --git a/cli/koji_cli/lib.py b/cli/koji_cli/lib.py
index 9dbadc77b22a..7cda6f708e31 100644
--- a/cli/koji_cli/lib.py
+++ b/cli/koji_cli/lib.py
@@ -488,11 +488,21 @@ Available categories are: %(categories)s
             print(_("Downloading: %s") % relpath)
 
 
-    with closing(requests.get(url, stream=True)) as response:
+    f = open(relpath, 'ab')
+    headers = {}
+    pos = f.tell()
+    if pos:
+        headers['Range'] = f'bytes={pos}-'
+
+    with closing(requests.get(url, headers=headers, stream=True)) as response:
         # raise error if occured
-        response.raise_for_status()
+        if (response.status_code == 200): # full content provided
+            f.close()
+            f = open(relpath, 'wb')
+        elif not (response.status_code == 416 and pos): # error?
+            response.raise_for_status()
         length = response.headers.get('content-length')
-        f = open(relpath, 'wb')
+
         if length is None:
             f.write(response.content)
             length = len(response.content)
@@ -506,7 +516,7 @@ Available categories are: %(categories)s
                 f.write(chunk)
                 if not (quiet or noprogress):
                     _download_progress(length, l)
-            f.close()
+    f.close()
 
     if not (quiet or noprogress):
         print('')