diff --git a/tests/helpers/fixtures.py b/tests/helpers/fixtures.py
index 5ee95a2b2..83a200ebd 100644
--- a/tests/helpers/fixtures.py
+++ b/tests/helpers/fixtures.py
@@ -40,7 +40,7 @@ from qutebrowser.browser.webkit import cookies
 from qutebrowser.misc import savemanager
 from qutebrowser.keyinput import modeman
 
-from PyQt5.QtCore import QEvent, QSize, Qt
+from PyQt5.QtCore import PYQT_VERSION, QEvent, QSize, Qt
 from PyQt5.QtGui import QKeyEvent
 from PyQt5.QtWidgets import QWidget, QHBoxLayout, QVBoxLayout
 from PyQt5.QtNetwork import QNetworkCookieJar
@@ -127,6 +127,8 @@ def tab_registry(win_registry):
 @pytest.fixture
 def fake_web_tab(stubs, tab_registry, qapp):
     """Fixture providing the FakeWebTab *class*."""
+    if PYQT_VERSION < 0x050600:
+        pytest.skip('Causes segfaults, see #1638')
     return stubs.FakeWebTab