diff --git a/src/calibre/utils/run_tests.py b/src/calibre/utils/run_tests.py
index cb0337d0fe0d..36960d34044f 100644
--- a/src/calibre/utils/run_tests.py
+++ b/src/calibre/utils/run_tests.py
@@ -186,9 +186,9 @@ def test_import_of_all_python_modules(self):
             exclude_modules.add('calibre.utils.open_with.osx')
         if not islinux:
             exclude_modules |= {
-                    'calibre.linux',
-                    'calibre.utils.linux_trash', 'calibre.utils.open_with.linux',
-                    'calibre.gui2.linux_file_dialogs',
+                'calibre.linux', 'calibre.gui2.tts2.speechd',
+                'calibre.utils.linux_trash', 'calibre.utils.open_with.linux',
+                'calibre.gui2.linux_file_dialogs',
             }
         if not isbsd:
             exclude_modules.add('calibre.devices.usbms.hal')