diff --git a/lib/python/qmk/cli/doctor.py b/lib/python/qmk/cli/doctor.py
index 1bfec6349..a431a160c 100755
--- a/lib/python/qmk/cli/doctor.py
+++ b/lib/python/qmk/cli/doctor.py
@@ -180,7 +180,7 @@ def check_udev_rules():
         'input_club': {_deprecated_udev_rule("1c11")},
         'stm32': {_deprecated_udev_rule("1eaf", "0003"), _deprecated_udev_rule("0483", "df11")},
         'bootloadhid': {_deprecated_udev_rule("16c0", "05df")},
-        'caterina': {'ATTRS{idVendor}=="2a03", ENV{ID_MM_DEVICE_IGNORE}="1"', 'ATTRS{idVendor}=="2341", ENV{ID_MM_DEVICE_IGNORE}="1"'}
+        'caterina': {'ATTRS{idVendor}=="2a03", ENV{ID_MM_DEVICE_IGNORE}="1"', 'ATTRS{idVendor}=="2341", ENV{ID_MM_DEVICE_IGNORE}="1"'},
         'tmk': {_deprecated_udev_rule("feed")}
     }