diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 74c518fe05..b4e32f981b 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -10,6 +10,7 @@ on:
     - 'lib/arm_atsam/**'
     - 'lib/lib8tion/**'
     - 'lib/python/**'
+    - 'modules/**'
     - 'platforms/**'
     - 'quantum/**'
     - 'tests/**'
diff --git a/lib/python/qmk/cli/format/c.py b/lib/python/qmk/cli/format/c.py
index a58aef3fbc..65818155b0 100644
--- a/lib/python/qmk/cli/format/c.py
+++ b/lib/python/qmk/cli/format/c.py
@@ -10,7 +10,7 @@ from qmk.path import normpath
 from qmk.c_parse import c_source_files
 
 c_file_suffixes = ('c', 'h', 'cpp', 'hpp')
-core_dirs = ('drivers', 'quantum', 'tests', 'tmk_core', 'platforms')
+core_dirs = ('drivers', 'quantum', 'tests', 'tmk_core', 'platforms', 'modules')
 ignored = ('tmk_core/protocol/usb_hid', 'platforms/chibios/boards')