diff --git a/src/domain.py b/src/domain.py
index d4d0324..627627b 100644
--- a/src/domain.py
+++ b/src/domain.py
@@ -143,7 +143,7 @@ class Domain:
                 for log in logs_last_10:
                     if log.type == LogType.CONNECTION_ERROR:
                         failures += 1
-                if len(logs_last_10)/2 <= failures:
+                if max(len(logs_last_10)/2, 1) <= failures:
                     affected.add(wiki_url)
             if len(affected) > len(self)/5:
                 return affected