diff --git a/tests/end2end/fixtures/quteprocess.py b/tests/end2end/fixtures/quteprocess.py
index 2dd5f17d7..47ab6fd1b 100644
--- a/tests/end2end/fixtures/quteprocess.py
+++ b/tests/end2end/fixtures/quteprocess.py
@@ -71,7 +71,7 @@ class LogLine(testprocess.Line):
         super().__init__(data)
         try:
             line = json.loads(data)
-        except json.decoder.JSONDecodeError:
+        except ValueError:
             raise testprocess.InvalidLine(data)
 
         self.timestamp = datetime.datetime.fromtimestamp(line['created'])