diff --git a/src/opnsense/scripts/unbound/download_blacklists.py b/src/opnsense/scripts/unbound/download_blacklists.py
index 950a05d8d..c54fad8ec 100755
--- a/src/opnsense/scripts/unbound/download_blacklists.py
+++ b/src/opnsense/scripts/unbound/download_blacklists.py
@@ -58,8 +58,8 @@ def uri_reader(uri):
                 break
             else:
                 parts = (prev_chop + chop).split('\n')
-                if len(parts) > chop.find('\n'):
-                     prev_chop = parts.pop()
+                if parts[-1] != "\n":
+                    prev_chop = parts.pop()
                 else:
                     prev_chop = ''
                 for part in parts: