diff --git a/scripts/sanity_chk/sanitylib.py b/scripts/sanity_chk/sanitylib.py
index 48bc7966ca2..88ad8791608 100644
--- a/scripts/sanity_chk/sanitylib.py
+++ b/scripts/sanity_chk/sanitylib.py
@@ -1411,7 +1411,7 @@ Tests should reference the category and subsystem with a dot as a separator.
 
     def scan_path(self, path):
         subcases = []
-        for filename in glob.glob(os.path.join(path, "src", "*.c")):
+        for filename in glob.glob(os.path.join(path, "src", "*.c*")):
             try:
                 _subcases, warnings = self.scan_file(filename)
                 if warnings: