diff --git a/src/super_archives/utils/url.py b/src/super_archives/utils/url.py
index 0464b04..b95a364 100644
--- a/src/super_archives/utils/url.py
+++ b/src/super_archives/utils/url.py
@@ -17,7 +17,7 @@ def append_to_get(path, query=None, **kwargs):
         if new in current_url:
             continue
 
-        if key not in current_url:
+        if u'&{}='.format(key) not in current_url:
             current_url += u'{}={}&'.format(key, value)
             continue
 
--
libgit2 0.21.2