diff --git a/bin/proxy.py b/bin/proxy.py
index cd12900..46fff69 100644
--- a/bin/proxy.py
+++ b/bin/proxy.py
@@ -83,10 +83,10 @@ def _cache_file(path, query):
     """
 
     digest = hashlib.sha1(("%s %s" % (path, query)).encode("utf-8")).hexdigest()
-    digest_number = ord(digest[0])
-    expiry_interval = 60*(30+digest_number)
+    digest_number = ord(digest[0].upper())
+    expiry_interval = 60*(digest_number+10)
 
-    timestamp = "%010d" % (int(time.time())//1000/expiry_interval*expiry_interval)
+    timestamp = "%010d" % (int(time.time())//expiry_interval*expiry_interval)
     filename = os.path.join(PROXY_CACHEDIR, timestamp, path, query)
 
     return filename
@@ -241,6 +241,8 @@ def proxy(path):
             content = response.content
         else:
             content = "{}"
+    else:
+        print("cache found")
 
     content = add_translations(content, lang)