diff --git a/tests/helpers/fixtures.py b/tests/helpers/fixtures.py
index fcf9e3dfb..3299bf9fe 100644
--- a/tests/helpers/fixtures.py
+++ b/tests/helpers/fixtures.py
@@ -91,7 +91,7 @@ class CallbackChecker(QObject):
     def check(self, expected):
         """Wait until the JS result arrived and compare it."""
         if self._result is self.UNSET:
-            with self._qtbot.waitSignal(self.got_result):
+            with self._qtbot.waitSignal(self.got_result, timeout=2000):
                 pass
         assert self._result == expected