diff --git a/mdproxy.py b/mdproxy.py
index d4bf9cde18c44645fdef774d3f2402ca43dfbd3d..4d78f0af729c2a40c5e03f8255734fe5fabe82e4 100755
--- a/mdproxy.py
+++ b/mdproxy.py
@@ -87,31 +87,31 @@ def serve_all(realm):
 @app.route('/<realm>/entities/<path:eid>',
            methods=['GET'])
 def serve_one(realm, eid):
-    entityID = unquote(eid)
-    if entityID[:6] == "{sha1}":
-        entityID = entityID[6:]
+    entity = unquote(eid)
+    if entity[:6] == "{sha1}":
+        sha1 = entity[6:]
     else:
-        entityID = hasher(entityID)
+        sha1 = hasher(entity)
 
     response = Response()
     response.headers['Content-Type'] = "application/samlmetadata+xml"
     response.headers['Content-Disposition'] = "filename = \"metadata.xml\""
 
     cached[realm] = cached.get(realm, {})
-    if entityID in cached[realm]:
-        if cached[realm][entityID].expires > datetime.now(tz.tzutc()):
-            print(f"cache {entityID}")
-            max_age = int((cached[realm][entityID].expires -
+    if sha1 in cached[realm]:
+        if cached[realm][sha1].expires > datetime.now(tz.tzutc()):
+            print(f"cache {sha1}")
+            max_age = int((cached[realm][sha1].expires -
                            datetime.now(tz.tzutc())).total_seconds())
-            last_modified = cached[realm][entityID].last_modified
+            last_modified = cached[realm][sha1].last_modified
             response.headers['Cache-Control'] = f"max-age={max_age}"
             response.headers['Last-Modified'] = last_modified
-            response.data = cached[realm][entityID].md
+            response.data = cached[realm][sha1].md
             return response
 
-    print(f"request {entityID}")
+    print(f"request {sha1}")
     request = requests.get(f"{config[realm]['signer']}/{realm}"
-                           f"/entities/{{sha1}}{entityID}")
+                           f"/entities/{{sha1}}{sha1}")
     data = request.text
     last_modified = request.headers.get('Last-Modified',
                                         formatdate(timeval=None,
@@ -130,12 +130,13 @@ def serve_one(realm, eid):
                                     cached_entity.valid_until)
         cached_entity.last_modified = last_modified
         if cached_entity.expires > datetime.now(tz.tzutc()):
-            cached[realm][entityID] = cached_entity
+            cached[realm][sha1] = cached_entity
             max_age = int((cached_entity.expires -
                            datetime.now(tz.tzutc())).total_seconds())
         else:
             raise KeyError
-    except Exception:
+    except KeyError as e:
+        print(f"  {sha1} {e}")
         data = "No valid metadata\n"
         max_age = 60
         response.headers['Content-type'] = "text/html"
diff --git a/utils.py b/utils.py
index 2ade1b63410ef8d752a675d99189e2ad3e5a727a..d584d7fdbac94e1f23e301b9eeac20ee6a2f3f5f 100755
--- a/utils.py
+++ b/utils.py
@@ -182,9 +182,8 @@ class Realm:
                     data.md = signed_xml
                 else:
                     raise KeyError
-            except Exception as e:
-                print(sha1)
-                print(f"  {e}")
+            except KeyError as e:
+                print(f"  {sha1} {e}")
 
         data.max_age = int((signed_entity.expires -
                            datetime.now(tz.tzutc())).total_seconds())